Subject: + mm-do_mincore-cleanup.patch added to -mm tree
To: wujianguo@xxxxxxxxxx,hannes@xxxxxxxxxxx,minchan.kim@xxxxxxxxx,n-horiguchi@xxxxxxxxxxxxx,qiuxishi@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 13 Jan 2014 14:07:38 -0800
The patch titled
Subject: mm: do_mincore() cleanup
has been added to the -mm tree. Its filename is
mm-do_mincore-cleanup.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-do_mincore-cleanup.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-do_mincore-cleanup.patch
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------------------------------------------------------
From: Jianguo Wu <wujianguo@xxxxxxxxxx>
Subject: mm: do_mincore() cleanup
Two cleanups:
1. remove redundant codes for hugetlb pages.
2. end = pmd_addr_end(addr, end) restricts [addr, end) within PMD_SIZE,
this may increase do_mincore() calls, remove it.
Signed-off-by: Jianguo Wu <wujianguo@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Minchan Kim <minchan.kim@xxxxxxxxx>
Cc: qiuxishi <qiuxishi@xxxxxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mincore.c | 7 -------
1 file changed, 7 deletions(-)
diff -puN mm/mincore.c~mm-do_mincore-cleanup mm/mincore.c
--- a/mm/mincore.c~mm-do_mincore-cleanup
+++ a/mm/mincore.c
@@ -225,13 +225,6 @@ static long do_mincore(unsigned long add
end = min(vma->vm_end, addr + (pages << PAGE_SHIFT));
- if (is_vm_hugetlb_page(vma)) {
- mincore_hugetlb_page_range(vma, addr, end, vec);
- return (end - addr) >> PAGE_SHIFT;
- }
-
- end = pmd_addr_end(addr, end);
-
if (is_vm_hugetlb_page(vma))
mincore_hugetlb_page_range(vma, addr, end, vec);
else
_
Patches currently in -mm which might be from wujianguo@xxxxxxxxxx are
mm-free-memblockmemory-in-free_all_bootmem.patch
mm-free-memblockmemory-in-free_all_bootmem-fix.patch
mm-do_mincore-cleanup.patch
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