* + x86-setup-call-hugetlb_bootmem_alloc-early.patch added to mm-unstable branch
@ 2025-02-06 23:20 Andrew Morton
0 siblings, 0 replies; 5+ messages in thread
From: Andrew Morton @ 2025-02-06 23:20 UTC (permalink / raw)
To: mm-commits, yuzhao, yaozhenguo1, usamaarif642, roman.gushchin,
peterz, muchun.song, mpe, maddy, luto, joao.m.martins, hca, gor,
dave.hansen, agordeev, fvdl, akpm
The patch titled
Subject: x86/setup: call hugetlb_bootmem_alloc early
has been added to the -mm mm-unstable branch. Its filename is
x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Frank van der Linden <fvdl@google.com>
Subject: x86/setup: call hugetlb_bootmem_alloc early
Date: Thu, 6 Feb 2025 18:51:01 +0000
Call hugetlb_bootmem_allloc in an earlier spot in setup, after
hugelb_cma_reserve. This will make vmemmap preinit of the sections
covered by the allocated hugetlb pages possible.
Link: https://lkml.kernel.org/r/20250206185109.1210657-22-fvdl@google.com
Signed-off-by: Frank van der Linden <fvdl@google.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin (Cruise) <roman.gushchin@linux.dev>
Cc: Usama Arif <usamaarif642@gmail.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Zhenguo Yao <yaozhenguo1@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/x86/kernel/setup.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/arch/x86/kernel/setup.c~x86-setup-call-hugetlb_bootmem_alloc-early
+++ a/arch/x86/kernel/setup.c
@@ -1108,8 +1108,10 @@ void __init setup_arch(char **cmdline_p)
initmem_init();
dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT);
- if (boot_cpu_has(X86_FEATURE_GBPAGES))
+ if (boot_cpu_has(X86_FEATURE_GBPAGES)) {
hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT);
+ hugetlb_bootmem_alloc();
+ }
/*
* Reserve memory for crash kernel after SRAT is parsed so that it
_
Patches currently in -mm which might be from fvdl@google.com are
mm-cma-export-total-and-free-number-of-pages-for-cma-areas.patch
mm-cma-support-multiple-contiguous-ranges-if-requested.patch
mm-cma-introduce-cma_intersects-function.patch
mm-hugetlb-use-cma_declare_contiguous_multi.patch
mm-hugetlb-fix-round-robin-bootmem-allocation.patch
mm-hugetlb-remove-redundant-__clearpagereserved.patch
mm-hugetlb-use-online-nodes-for-bootmem-allocation.patch
mm-hugetlb-convert-cmdline-parameters-from-setup-to-early.patch
x86-mm-make-register_page_bootmem_memmap-handle-pte-mappings.patch
mm-bootmem_info-export-register_page_bootmem_memmap.patch
mm-sparse-allow-for-alternate-vmemmap-section-init-at-boot.patch
mm-hugetlb-set-migratetype-for-bootmem-folios.patch
mm-define-__init_reserved_page_zone-function.patch
mm-hugetlb-check-bootmem-pages-for-zone-intersections.patch
mm-sparse-add-vmemmap__hvo-functions.patch
mm-hugetlb-deal-with-multiple-calls-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-move-huge_boot_pages-list-init-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-add-pre-hvo-framework.patch
mm-hugetlb_vmemmap-fix-hugetlb_vmemmap_restore_folios-definition.patch
mm-hugetlb-do-pre-hvo-for-bootmem-allocated-pages.patch
x86-setup-call-hugetlb_bootmem_alloc-early.patch
x86-mm-set-arch_want_sparsemem_vmemmap_preinit.patch
mm-cma-simplify-zone-intersection-check.patch
mm-cma-introduce-a-cma-validate-function.patch
mm-cma-introduce-interface-for-early-reservations.patch
mm-hugetlb-add-hugetlb_cma_only-cmdline-option.patch
mm-hugetlb-enable-bootmem-allocation-from-cma-areas.patch
mm-hugetlb-move-hugetlb-cma-code-in-to-its-own-file.patch
^ permalink raw reply [flat|nested] 5+ messages in thread* + x86-setup-call-hugetlb_bootmem_alloc-early.patch added to mm-unstable branch
@ 2025-03-04 2:49 Andrew Morton
0 siblings, 0 replies; 5+ messages in thread
From: Andrew Morton @ 2025-03-04 2:49 UTC (permalink / raw)
To: mm-commits, ziy, yuzhao, usamaarif642, roman.gushchin, peterz,
osalvador, muchun.song, mpe, maddy, luto, joao.m.martins, hca,
hannes, gor, david, dave.hansen, dan.carpenter, arnd, agordeev,
fvdl, akpm
The patch titled
Subject: x86/setup: call hugetlb_bootmem_alloc early
has been added to the -mm mm-unstable branch. Its filename is
x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Frank van der Linden <fvdl@google.com>
Subject: x86/setup: call hugetlb_bootmem_alloc early
Date: Fri, 28 Feb 2025 18:29:21 +0000
Call hugetlb_bootmem_allloc in an earlier spot in setup, after
hugelb_cma_reserve. This will make vmemmap preinit of the sections
covered by the allocated hugetlb pages possible.
Link: https://lkml.kernel.org/r/20250228182928.2645936-21-fvdl@google.com
Signed-off-by: Frank van der Linden <fvdl@google.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Roman Gushchin (Cruise) <roman.gushchin@linux.dev>
Cc: Usama Arif <usamaarif642@gmail.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/x86/kernel/setup.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/arch/x86/kernel/setup.c~x86-setup-call-hugetlb_bootmem_alloc-early
+++ a/arch/x86/kernel/setup.c
@@ -1108,8 +1108,10 @@ void __init setup_arch(char **cmdline_p)
initmem_init();
dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT);
- if (boot_cpu_has(X86_FEATURE_GBPAGES))
+ if (boot_cpu_has(X86_FEATURE_GBPAGES)) {
hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT);
+ hugetlb_bootmem_alloc();
+ }
/*
* Reserve memory for crash kernel after SRAT is parsed so that it
_
Patches currently in -mm which might be from fvdl@google.com are
mm-cma-export-total-and-free-number-of-pages-for-cma-areas.patch
mm-cma-support-multiple-contiguous-ranges-if-requested.patch
mm-cma-introduce-cma_intersects-function.patch
mm-hugetlb-use-cma_declare_contiguous_multi.patch
mm-hugetlb-remove-redundant-__clearpagereserved.patch
mm-hugetlb-use-online-nodes-for-bootmem-allocation.patch
mm-hugetlb-convert-cmdline-parameters-from-setup-to-early.patch
x86-mm-make-register_page_bootmem_memmap-handle-pte-mappings.patch
mm-bootmem_info-export-register_page_bootmem_memmap.patch
mm-sparse-allow-for-alternate-vmemmap-section-init-at-boot.patch
mm-hugetlb-set-migratetype-for-bootmem-folios.patch
mm-define-__init_reserved_page_zone-function.patch
mm-hugetlb-check-bootmem-pages-for-zone-intersections.patch
mm-sparse-add-vmemmap__hvo-functions.patch
mm-hugetlb-deal-with-multiple-calls-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-move-huge_boot_pages-list-init-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-add-pre-hvo-framework.patch
mm-hugetlb_vmemmap-fix-hugetlb_vmemmap_restore_folios-definition.patch
mm-hugetlb-do-pre-hvo-for-bootmem-allocated-pages.patch
x86-setup-call-hugetlb_bootmem_alloc-early.patch
x86-mm-set-arch_want_hugetlb_vmemmap_preinit.patch
mm-cma-simplify-zone-intersection-check.patch
mm-cma-introduce-a-cma-validate-function.patch
mm-cma-introduce-interface-for-early-reservations.patch
mm-hugetlb-add-hugetlb_cma_only-cmdline-option.patch
mm-hugetlb-enable-bootmem-allocation-from-cma-areas.patch
mm-hugetlb-move-hugetlb-cma-code-in-to-its-own-file.patch
^ permalink raw reply [flat|nested] 5+ messages in thread* + x86-setup-call-hugetlb_bootmem_alloc-early.patch added to mm-unstable branch
@ 2025-02-19 0:04 Andrew Morton
0 siblings, 0 replies; 5+ messages in thread
From: Andrew Morton @ 2025-02-19 0:04 UTC (permalink / raw)
To: mm-commits, yuzhao, usamaarif642, roman.gushchin, peterz,
osalvador, muchun.song, mpe, maddy, luto, joao.m.martins, hca,
gor, dave.hansen, dan.carpenter, agordeev, fvdl, akpm
The patch titled
Subject: x86/setup: call hugetlb_bootmem_alloc early
has been added to the -mm mm-unstable branch. Its filename is
x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Frank van der Linden <fvdl@google.com>
Subject: x86/setup: call hugetlb_bootmem_alloc early
Date: Tue, 18 Feb 2025 18:16:48 +0000
Call hugetlb_bootmem_allloc in an earlier spot in setup, after
hugelb_cma_reserve. This will make vmemmap preinit of the sections
covered by the allocated hugetlb pages possible.
Link: https://lkml.kernel.org/r/20250218181656.207178-21-fvdl@google.com
Signed-off-by: Frank van der Linden <fvdl@google.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Roman Gushchin (Cruise) <roman.gushchin@linux.dev>
Cc: Usama Arif <usamaarif642@gmail.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/x86/kernel/setup.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/arch/x86/kernel/setup.c~x86-setup-call-hugetlb_bootmem_alloc-early
+++ a/arch/x86/kernel/setup.c
@@ -1108,8 +1108,10 @@ void __init setup_arch(char **cmdline_p)
initmem_init();
dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT);
- if (boot_cpu_has(X86_FEATURE_GBPAGES))
+ if (boot_cpu_has(X86_FEATURE_GBPAGES)) {
hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT);
+ hugetlb_bootmem_alloc();
+ }
/*
* Reserve memory for crash kernel after SRAT is parsed so that it
_
Patches currently in -mm which might be from fvdl@google.com are
mm-cma-export-total-and-free-number-of-pages-for-cma-areas.patch
mm-cma-support-multiple-contiguous-ranges-if-requested.patch
mm-cma-introduce-cma_intersects-function.patch
mm-hugetlb-use-cma_declare_contiguous_multi.patch
mm-hugetlb-remove-redundant-__clearpagereserved.patch
mm-hugetlb-use-online-nodes-for-bootmem-allocation.patch
mm-hugetlb-convert-cmdline-parameters-from-setup-to-early.patch
x86-mm-make-register_page_bootmem_memmap-handle-pte-mappings.patch
mm-bootmem_info-export-register_page_bootmem_memmap.patch
mm-sparse-allow-for-alternate-vmemmap-section-init-at-boot.patch
mm-hugetlb-set-migratetype-for-bootmem-folios.patch
mm-define-__init_reserved_page_zone-function.patch
mm-hugetlb-check-bootmem-pages-for-zone-intersections.patch
mm-sparse-add-vmemmap__hvo-functions.patch
mm-hugetlb-deal-with-multiple-calls-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-move-huge_boot_pages-list-init-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-add-pre-hvo-framework.patch
mm-hugetlb_vmemmap-fix-hugetlb_vmemmap_restore_folios-definition.patch
mm-hugetlb-do-pre-hvo-for-bootmem-allocated-pages.patch
x86-setup-call-hugetlb_bootmem_alloc-early.patch
x86-mm-set-arch_want_sparsemem_vmemmap_preinit.patch
mm-cma-simplify-zone-intersection-check.patch
mm-cma-introduce-a-cma-validate-function.patch
mm-cma-introduce-interface-for-early-reservations.patch
mm-hugetlb-add-hugetlb_cma_only-cmdline-option.patch
mm-hugetlb-enable-bootmem-allocation-from-cma-areas.patch
mm-hugetlb-move-hugetlb-cma-code-in-to-its-own-file.patch
^ permalink raw reply [flat|nested] 5+ messages in thread* + x86-setup-call-hugetlb_bootmem_alloc-early.patch added to mm-unstable branch
@ 2025-01-29 23:26 Andrew Morton
0 siblings, 0 replies; 5+ messages in thread
From: Andrew Morton @ 2025-01-29 23:26 UTC (permalink / raw)
To: mm-commits, yuzhao, yaozhenguo1, usamaarif642, roman.gushchin,
peterz, muchun.song, mpe, maddy, luto, joao.m.martins, hca, gor,
dave.hansen, agordeev, fvdl, akpm
The patch titled
Subject: x86/setup: call hugetlb_bootmem_alloc early
has been added to the -mm mm-unstable branch. Its filename is
x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Frank van der Linden <fvdl@google.com>
Subject: x86/setup: call hugetlb_bootmem_alloc early
Date: Wed, 29 Jan 2025 22:41:50 +0000
Call hugetlb_bootmem_allloc in an earlier spot in setup, after
hugelb_cma_reserve. This will make vmemmap preinit of the sections
covered by the allocated hugetlb pages possible.
Link: https://lkml.kernel.org/r/20250129224157.2046079-22-fvdl@google.com
Signed-off-by: Frank van der Linden <fvdl@google.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin (Cruise) <roman.gushchin@linux.dev>
Cc: Usama Arif <usamaarif642@gmail.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Zhenguo Yao <yaozhenguo1@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/x86/kernel/setup.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/arch/x86/kernel/setup.c~x86-setup-call-hugetlb_bootmem_alloc-early
+++ a/arch/x86/kernel/setup.c
@@ -1108,8 +1108,10 @@ void __init setup_arch(char **cmdline_p)
initmem_init();
dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT);
- if (boot_cpu_has(X86_FEATURE_GBPAGES))
+ if (boot_cpu_has(X86_FEATURE_GBPAGES)) {
hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT);
+ hugetlb_bootmem_alloc();
+ }
/*
* Reserve memory for crash kernel after SRAT is parsed so that it
_
Patches currently in -mm which might be from fvdl@google.com are
mm-cma-export-total-and-free-number-of-pages-for-cma-areas.patch
mm-cma-support-multiple-contiguous-ranges-if-requested.patch
mm-cma-introduce-cma_intersects-function.patch
mm-hugetlb-use-cma_declare_contiguous_multi.patch
mm-hugetlb-fix-round-robin-bootmem-allocation.patch
mm-hugetlb-remove-redundant-__clearpagereserved.patch
mm-hugetlb-use-online-nodes-for-bootmem-allocation.patch
mm-hugetlb-convert-cmdline-parameters-from-setup-to-early.patch
x86-mm-make-register_page_bootmem_memmap-handle-pte-mappings.patch
mm-bootmem_info-export-register_page_bootmem_memmap.patch
mm-sparse-allow-for-alternate-vmemmap-section-init-at-boot.patch
mm-hugetlb-set-migratetype-for-bootmem-folios.patch
mm-define-__init_reserved_page_zone-function.patch
mm-hugetlb-check-bootmem-pages-for-zone-intersections.patch
mm-sparse-add-vmemmap__hvo-functions.patch
mm-hugetlb-deal-with-multiple-calls-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-move-huge_boot_pages-list-init-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-add-pre-hvo-framework.patch
mm-hugetlb_vmemmap-fix-hugetlb_vmemmap_restore_folios-definition.patch
mm-hugetlb-do-pre-hvo-for-bootmem-allocated-pages.patch
x86-setup-call-hugetlb_bootmem_alloc-early.patch
x86-mm-set-arch_want_sparsemem_vmemmap_preinit.patch
mm-cma-simplify-zone-intersection-check.patch
mm-cma-introduce-a-cma-validate-function.patch
mm-cma-introduce-interface-for-early-reservations.patch
mm-hugetlb-add-hugetlb_cma_only-cmdline-option.patch
mm-hugetlb-enable-bootmem-allocation-from-cma-areas.patch
mm-hugetlb-move-hugetlb-cma-code-in-to-its-own-file.patch
^ permalink raw reply [flat|nested] 5+ messages in thread* + x86-setup-call-hugetlb_bootmem_alloc-early.patch added to mm-unstable branch
@ 2025-01-28 0:10 Andrew Morton
0 siblings, 0 replies; 5+ messages in thread
From: Andrew Morton @ 2025-01-28 0:10 UTC (permalink / raw)
To: mm-commits, yuzhao, yaozhenguo1, usama.arif, rppt, roman.gushchin,
peterz, muchun.song, mpe, maddy, luto, joao.m.martins, hca, gor,
dave.hansen, agordeev, fvdl, akpm
The patch titled
Subject: x86/setup: call hugetlb_bootmem_alloc early
has been added to the -mm mm-unstable branch. Its filename is
x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-setup-call-hugetlb_bootmem_alloc-early.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Frank van der Linden <fvdl@google.com>
Subject: x86/setup: call hugetlb_bootmem_alloc early
Date: Mon, 27 Jan 2025 23:22:01 +0000
Call hugetlb_bootmem_allloc in an earlier spot in setup, after
hugelb_cma_reserve. This will make vmemmap preinit of the sections
covered by the allocated hugetlb pages possible.
Link: https://lkml.kernel.org/r/20250127232207.3888640-22-fvdl@google.com
Signed-off-by: Frank van der Linden <fvdl@google.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin (Cruise) <roman.gushchin@linux.dev>
Cc: Usama Arif <usama.arif@bytedance.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Zhenguo Yao <yaozhenguo1@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/x86/kernel/setup.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/arch/x86/kernel/setup.c~x86-setup-call-hugetlb_bootmem_alloc-early
+++ a/arch/x86/kernel/setup.c
@@ -1108,8 +1108,10 @@ void __init setup_arch(char **cmdline_p)
initmem_init();
dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT);
- if (boot_cpu_has(X86_FEATURE_GBPAGES))
+ if (boot_cpu_has(X86_FEATURE_GBPAGES)) {
hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT);
+ hugetlb_bootmem_alloc();
+ }
/*
* Reserve memory for crash kernel after SRAT is parsed so that it
_
Patches currently in -mm which might be from fvdl@google.com are
mm-cma-export-total-and-free-number-of-pages-for-cma-areas.patch
mm-cma-support-multiple-contiguous-ranges-if-requested.patch
mm-cma-introduce-cma_intersects-function.patch
mm-hugetlb-use-cma_declare_contiguous_multi.patch
mm-hugetlb-fix-round-robin-bootmem-allocation.patch
mm-hugetlb-remove-redundant-__clearpagereserved.patch
mm-hugetlb-use-online-nodes-for-bootmem-allocation.patch
mm-hugetlb-convert-cmdline-parameters-from-setup-to-early.patch
x86-mm-make-register_page_bootmem_memmap-handle-pte-mappings.patch
mm-bootmem_info-export-register_page_bootmem_memmap.patch
mm-sparse-allow-for-alternate-vmemmap-section-init-at-boot.patch
mm-hugetlb-set-migratetype-for-bootmem-folios.patch
mm-define-__init_reserved_page_zone-function.patch
mm-hugetlb-check-bootmem-pages-for-zone-intersections.patch
mm-sparse-add-vmemmap__hvo-functions.patch
mm-hugetlb-deal-with-multiple-calls-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-move-huge_boot_pages-list-init-to-hugetlb_bootmem_alloc.patch
mm-hugetlb-add-pre-hvo-framework.patch
mm-hugetlb_vmemmap-fix-hugetlb_vmemmap_restore_folios-definition.patch
mm-hugetlb-do-pre-hvo-for-bootmem-allocated-pages.patch
x86-setup-call-hugetlb_bootmem_alloc-early.patch
x86-mm-set-arch_want_sparsemem_vmemmap_preinit.patch
mm-cma-simplify-zone-intersection-check.patch
mm-cma-introduce-a-cma-validate-function.patch
mm-cma-introduce-interface-for-early-reservations.patch
mm-hugetlb-add-hugetlb_cma_only-cmdline-option.patch
mm-hugetlb-enable-bootmem-allocation-from-cma-areas.patch
^ permalink raw reply [flat|nested] 5+ messages in thread
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2025-02-06 23:20 + x86-setup-call-hugetlb_bootmem_alloc-early.patch added to mm-unstable branch Andrew Morton
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