Subject: + mm-remove-obsolete-comments-about-page-table-lock.patch added to -mm tree
To: n-horiguchi@xxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 18 Sep 2013 15:16:48 -0700
The patch titled
Subject: mm: remove obsolete comments about page table lock
has been added to the -mm tree. Its filename is
mm-remove-obsolete-comments-about-page-table-lock.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-remove-obsolete-comments-about-page-table-lock.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-obsolete-comments-about-page-table-lock.patch
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From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Subject: mm: remove obsolete comments about page table lock
The callers of free_pgd_range() and hugetlb_free_pgd_range() don't hold
page table locks. The comments seems to be obsolete, so let's remove
them.
Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/mm/hugetlbpage.c | 2 --
mm/memory.c | 2 --
2 files changed, 4 deletions(-)
diff -puN arch/powerpc/mm/hugetlbpage.c~mm-remove-obsolete-comments-about-page-table-lock arch/powerpc/mm/hugetlbpage.c
--- a/arch/powerpc/mm/hugetlbpage.c~mm-remove-obsolete-comments-about-page-table-lock
+++ a/arch/powerpc/mm/hugetlbpage.c
@@ -633,8 +633,6 @@ static void hugetlb_free_pud_range(struc
/*
* This function frees user-level page tables of a process.
- *
- * Must be called with pagetable lock held.
*/
void hugetlb_free_pgd_range(struct mmu_gather *tlb,
unsigned long addr, unsigned long end,
diff -puN mm/memory.c~mm-remove-obsolete-comments-about-page-table-lock mm/memory.c
--- a/mm/memory.c~mm-remove-obsolete-comments-about-page-table-lock
+++ a/mm/memory.c
@@ -453,8 +453,6 @@ static inline void free_pud_range(struct
/*
* This function frees user-level page tables of a process.
- *
- * Must be called with pagetable lock held.
*/
void free_pgd_range(struct mmu_gather *tlb,
unsigned long addr, unsigned long end,
_
Patches currently in -mm which might be from n-horiguchi@xxxxxxxxxxxxx are
mm-remove-obsolete-comments-about-page-table-lock.patch
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