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authorAndrea Arcangeli <[email protected]>2011-05-24 17:12:14 -0700
committerLinus Torvalds <[email protected]>2011-05-25 08:39:21 -0700
commit692e0b35427a088bf75d9363788c61c7edbe93a5 (patch)
treedb1b4365b70fbe809753e6ac097b60fb4f7299a8 /tools/perf/scripts/python/syscall-counts.py
parent9547d01bfb9c351dc19067f8a4cea9d3955f4125 (diff)
mm: thp: optimize memcg charge in khugepaged
We don't need to hold the mmmap_sem through mem_cgroup_newpage_charge(), the mmap_sem is only hold for keeping the vma stable and we don't need the vma stable anymore after we return from alloc_hugepage_vma(). Signed-off-by: Andrea Arcangeli <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: David Rientjes <[email protected]> Cc: Minchan Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
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