* + mm-memory-pass-pte-to-copy_present_pte.patch added to mm-unstable branch
@ 2024-01-23 0:41 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2024-01-23 0:41 UTC (permalink / raw)
To: mm-commits, willy, will, svens, ryan.roberts, paul.walmsley,
palmer, npiggin, naveen.n.rao, mpe, linux, hca, gor,
gerald.schaefer, dinguyen, davem, christophe.leroy,
catalin.marinas, borntraeger, aou, aneesh.kumar, alexghiti,
agordeev, david, akpm
The patch titled
Subject: mm/memory: pass PTE to copy_present_pte()
has been added to the -mm mm-unstable branch. Its filename is
mm-memory-pass-pte-to-copy_present_pte.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memory-pass-pte-to-copy_present_pte.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: David Hildenbrand <david@redhat.com>
Subject: mm/memory: pass PTE to copy_present_pte()
Date: Mon, 22 Jan 2024 20:41:57 +0100
We already read it, let's just forward it.
This patch is based on work by Ryan Roberts.
Link: https://lkml.kernel.org/r/20240122194200.381241-9-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: "Aneesh Kumar K.V (IBM)" <aneesh.kumar@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: David S. Miller <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: "Naveen N. Rao" <naveen.n.rao@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/memory.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
--- a/mm/memory.c~mm-memory-pass-pte-to-copy_present_pte
+++ a/mm/memory.c
@@ -959,10 +959,9 @@ static inline void __copy_present_pte(st
*/
static inline int
copy_present_pte(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,
- pte_t *dst_pte, pte_t *src_pte, unsigned long addr, int *rss,
- struct folio **prealloc)
+ pte_t *dst_pte, pte_t *src_pte, pte_t pte, unsigned long addr,
+ int *rss, struct folio **prealloc)
{
- pte_t pte = ptep_get(src_pte);
struct page *page;
struct folio *folio;
@@ -1104,7 +1103,7 @@ again:
}
/* copy_present_pte() will clear `*prealloc' if consumed */
ret = copy_present_pte(dst_vma, src_vma, dst_pte, src_pte,
- addr, rss, &prealloc);
+ ptent, addr, rss, &prealloc);
/*
* If we need a pre-allocated page for this pte, drop the
* locks, allocate, and try again.
_
Patches currently in -mm which might be from david@redhat.com are
uprobes-use-pagesize-aligned-virtual-address-when-replacing-pages.patch
arm-pgtable-define-pfn_pte_shift-on-arm-and-arm64.patch
nios2-pgtable-define-pfn_pte_shift.patch
powerpc-pgtable-define-pfn_pte_shift.patch
risc-pgtable-define-pfn_pte_shift.patch
s390-pgtable-define-pfn_pte_shift.patch
sparc-pgtable-define-pfn_pte_shift.patch
mm-memory-factor-out-copying-the-actual-pte-in-copy_present_pte.patch
mm-memory-pass-pte-to-copy_present_pte.patch
mm-memory-optimize-fork-with-pte-mapped-thp.patch
mm-memory-ignore-dirty-accessed-soft-dirty-bits-in-folio_pte_batch.patch
mm-memory-ignore-writable-bit-in-folio_pte_batch.patch
^ permalink raw reply [flat|nested] 2+ messages in thread* + mm-memory-pass-pte-to-copy_present_pte.patch added to mm-unstable branch
@ 2024-02-02 12:14 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2024-02-02 12:14 UTC (permalink / raw)
To: mm-commits, willy, will, svens, ryan.roberts, paul.walmsley,
palmer, npiggin, naveen.n.rao, mpe, linux, hca, gor,
gerald.schaefer, dinguyen, davem, christophe.leroy,
catalin.marinas, borntraeger, aou, aneesh.kumar, alexghiti,
agordeev, david, akpm
The patch titled
Subject: mm/memory: pass PTE to copy_present_pte()
has been added to the -mm mm-unstable branch. Its filename is
mm-memory-pass-pte-to-copy_present_pte.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memory-pass-pte-to-copy_present_pte.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: David Hildenbrand <david@redhat.com>
Subject: mm/memory: pass PTE to copy_present_pte()
Date: Mon, 29 Jan 2024 13:46:46 +0100
We already read it, let's just forward it.
This patch is based on work by Ryan Roberts.
Link: https://lkml.kernel.org/r/20240129124649.189745-13-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: David S. Miller <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Naveen N. Rao <naveen.n.rao@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Russell King (Oracle) <linux@armlinux.org.uk>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/memory.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
--- a/mm/memory.c~mm-memory-pass-pte-to-copy_present_pte
+++ a/mm/memory.c
@@ -959,10 +959,9 @@ static inline void __copy_present_pte(st
*/
static inline int
copy_present_pte(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,
- pte_t *dst_pte, pte_t *src_pte, unsigned long addr, int *rss,
- struct folio **prealloc)
+ pte_t *dst_pte, pte_t *src_pte, pte_t pte, unsigned long addr,
+ int *rss, struct folio **prealloc)
{
- pte_t pte = ptep_get(src_pte);
struct page *page;
struct folio *folio;
@@ -1103,7 +1102,7 @@ again:
}
/* copy_present_pte() will clear `*prealloc' if consumed */
ret = copy_present_pte(dst_vma, src_vma, dst_pte, src_pte,
- addr, rss, &prealloc);
+ ptent, addr, rss, &prealloc);
/*
* If we need a pre-allocated page for this pte, drop the
* locks, allocate, and try again.
_
Patches currently in -mm which might be from david@redhat.com are
arm-pgtable-define-pfn_pte_shift.patch
nios2-pgtable-define-pfn_pte_shift.patch
powerpc-pgtable-define-pfn_pte_shift.patch
riscv-pgtable-define-pfn_pte_shift.patch
s390-pgtable-define-pfn_pte_shift.patch
sparc-pgtable-define-pfn_pte_shift.patch
mm-pgtable-make-pte_next_pfn-independent-of-set_ptes.patch
arm-mm-use-pte_next_pfn-in-set_ptes.patch
powerpc-mm-use-pte_next_pfn-in-set_ptes.patch
mm-memory-factor-out-copying-the-actual-pte-in-copy_present_pte.patch
mm-memory-pass-pte-to-copy_present_pte.patch
mm-memory-optimize-fork-with-pte-mapped-thp.patch
mm-memory-ignore-dirty-accessed-soft-dirty-bits-in-folio_pte_batch.patch
mm-memory-ignore-writable-bit-in-folio_pte_batch.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
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