+ hugetlb-have-config_hugetlbfs-select-config_padata.patch added to mm-unstable branch

+ hugetlb-have-config_hugetlbfs-select-config_padata.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA
has been added to the -mm mm-unstable branch.  Its filename is
     hugetlb-have-config_hugetlbfs-select-config_padata.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hugetlb-have-config_hugetlbfs-select-config_padata.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: Gang Li <gang.li@linux.dev>
Subject: hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA
Date: Fri, 26 Jan 2024 23:24:09 +0800

Allow hugetlb use padata_do_multithreaded for parallel initialization. 
Select CONFIG_PADATA in this case.

Link: https://lkml.kernel.org/r/20240126152411.1238072-6-gang.li@linux.dev
Signed-off-by: Gang Li <ligang.bdlg@bytedance.com>
Tested-by: David Rientjes <rientjes@google.com>
Reviewed-by: Muchun Song <muchun.song@linux.dev>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/Kconfig~hugetlb-have-config_hugetlbfs-select-config_padata
+++ a/fs/Kconfig
@@ -262,6 +262,7 @@ menuconfig HUGETLBFS
 	depends on X86 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN
 	depends on (SYSFS || SYSCTL)
 	select MEMFD_CREATE
+	select PADATA
 	help
 	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
 	  ramfs. For architectures that support it, say Y here and read
_

Patches currently in -mm which might be from gang.li@linux.dev are

hugetlb-code-clean-for-hugetlb_hstate_alloc_pages.patch
hugetlb-split-hugetlb_hstate_alloc_pages.patch
padata-dispatch-works-on-different-nodes.patch
hugetlb-pass-next_nid_to_alloc-directly-to-for_each_node_mask_to_alloc.patch
hugetlb-have-config_hugetlbfs-select-config_padata.patch
hugetlb-parallelize-2m-hugetlb-allocation-and-initialization.patch
hugetlb-parallelize-1g-hugetlb-initialization.patch

+ hugetlb-have-config_hugetlbfs-select-config_padata.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA
has been added to the -mm mm-unstable branch.  Its filename is
     hugetlb-have-config_hugetlbfs-select-config_padata.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hugetlb-have-config_hugetlbfs-select-config_padata.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: Gang Li <gang.li@linux.dev>
Subject: hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA
Date: Thu, 22 Feb 2024 22:04:19 +0800

Allow hugetlb use padata_do_multithreaded for parallel initialization. 
Select CONFIG_PADATA in this case.

Link: https://lkml.kernel.org/r/20240222140422.393911-7-gang.li@linux.dev
Signed-off-by: Gang Li <ligang.bdlg@bytedance.com>
Tested-by: David Rientjes <rientjes@google.com>
Reviewed-by: Muchun Song <muchun.song@linux.dev>
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/Kconfig~hugetlb-have-config_hugetlbfs-select-config_padata
+++ a/fs/Kconfig
@@ -261,6 +261,7 @@ menuconfig HUGETLBFS
 	depends on X86 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN
 	depends on (SYSFS || SYSCTL)
 	select MEMFD_CREATE
+	select PADATA if SMP
 	help
 	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
 	  ramfs. For architectures that support it, say Y here and read
_

Patches currently in -mm which might be from gang.li@linux.dev are

hugetlb-code-clean-for-hugetlb_hstate_alloc_pages.patch
hugetlb-split-hugetlb_hstate_alloc_pages.patch
hugetlb-pass-next_nid_to_alloc-directly-to-for_each_node_mask_to_alloc.patch
padata-dispatch-works-on-different-nodes.patch
padata-downgrade-padata_do_multithreaded-to-serial-execution-for-non-smp.patch
hugetlb-have-config_hugetlbfs-select-config_padata.patch
hugetlb-parallelize-2m-hugetlb-allocation-and-initialization.patch
hugetlb-parallelize-1g-hugetlb-initialization.patch