Subject: [merged]
mm-proc-pid-pagemap-inspect-_page_soft_dirty-only-on-present-pages.patch
removed from -mm tree
To:
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From: [email protected]
Date: Thu, 17 Oct 2013 11:13:07 -0700
The patch titled
Subject: mm: /proc/pid/pagemap: inspect _PAGE_SOFT_DIRTY only on present
pages
has been removed from the -mm tree. Its filename was
mm-proc-pid-pagemap-inspect-_page_soft_dirty-only-on-present-pages.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Cyrill Gorcunov <[email protected]>
Subject: mm: /proc/pid/pagemap: inspect _PAGE_SOFT_DIRTY only on present pages
If a page we are inspecting is in swap we may occasionally report it as
having soft dirty bit (even if it is clean). The pte_soft_dirty helper
should be called on present pte only.
Signed-off-by: Cyrill Gorcunov <[email protected]>
Cc: Pavel Emelyanov <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Matt Mackall <[email protected]>
Cc: Xiao Guangrong <[email protected]>
Cc: Marcelo Tosatti <[email protected]>
Cc: KOSAKI Motohiro <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: "Aneesh Kumar K.V" <[email protected]>
Reviewed-by: Naoya Horiguchi <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
fs/proc/task_mmu.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN
fs/proc/task_mmu.c~mm-proc-pid-pagemap-inspect-_page_soft_dirty-only-on-present-pages
fs/proc/task_mmu.c
---
a/fs/proc/task_mmu.c~mm-proc-pid-pagemap-inspect-_page_soft_dirty-only-on-present-pages
+++ a/fs/proc/task_mmu.c
@@ -941,6 +941,8 @@ static void pte_to_pagemap_entry(pagemap
frame = pte_pfn(pte);
flags = PM_PRESENT;
page = vm_normal_page(vma, addr, pte);
+ if (pte_soft_dirty(pte))
+ flags2 |= __PM_SOFT_DIRTY;
} else if (is_swap_pte(pte)) {
swp_entry_t entry;
if (pte_swp_soft_dirty(pte))
@@ -960,7 +962,7 @@ static void pte_to_pagemap_entry(pagemap
if (page && !PageAnon(page))
flags |= PM_FILE;
- if ((vma->vm_flags & VM_SOFTDIRTY) || pte_soft_dirty(pte))
+ if ((vma->vm_flags & VM_SOFTDIRTY))
flags2 |= __PM_SOFT_DIRTY;
*pme = make_pme(PM_PFRAME(frame) | PM_STATUS2(pm->v2, flags2) | flags);
_
Patches currently in -mm which might be from [email protected] are
origin.patch
arch-x86-mnify-pte_to_pgoff-and-pgoff_to_pte-helpers.patch
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