Subject: [merged] mm-proc-pid-pagemap-inspect-_page_soft_dirty-only-on-present-pages.patch removed from -mm tree
To: gorcunov@xxxxxxxxx,aneesh.kumar@xxxxxxxxxxxxxxxxxx,gorcunov@xxxxxxxxxx,kosaki.motohiro@xxxxxxxxx,luto@xxxxxxxxxxxxxx,mel@xxxxxxxxx,mpm@xxxxxxxxxxx,mtosatti@xxxxxxxxxx,n-horiguchi@xxxxxxxxxxxxx,peterz@xxxxxxxxxxxxx,sfr@xxxxxxxxxxxxxxxx,stable@xxxxxxxxxxxxxxx,xemul@xxxxxxxxxxxxx,xiaoguangrong@xxxxxxxxxxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
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 <gorcunov@xxxxxxxxx>
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 <gorcunov@xxxxxxxxxx>
Cc: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Matt Mackall <mpm@xxxxxxxxxxx>
Cc: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
Cc: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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 gorcunov@xxxxxxxxx are
origin.patch
arch-x86-mnify-pte_to_pgoff-and-pgoff_to_pte-helpers.patch
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