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authorMiaohe Lin <linmiaohe@huawei.com>2020-10-17 16:14:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-18 09:27:09 -0700
commit4dc200cee1950ac3f9b99f0c8d4a750b62958f81 (patch)
tree0033042fe9ff030817fdc005d6788e2ba25e8a3b /mm/mmap.c
parent203e6e5ca4eac64c8909debfd64aae3fd62b2a16 (diff)
mm/migrate: avoid possible unnecessary process right check in kernel_move_pages()
There is no need to check if this process has the right to modify the specified process when they are same. And we could also skip the security hook call if a process is modifying its own pages. Add helper function to handle these. Suggested-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Hongxiang Lou <louhongxiang@huawei.com> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Christopher Lameter <cl@linux.com> Link: https://lkml.kernel.org/r/20200819083331.19012-1-linmiaohe@huawei.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mmap.c')
0 files changed, 0 insertions, 0 deletions