khugepaged: move up_read(mmap_sem) out of khugepaged_alloc_page()
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tue, 26 Jul 2016 22:26:26 +0000 (15:26 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 26 Jul 2016 23:19:19 +0000 (16:19 -0700)
commit988ddb710bb5be27f793b7e50455c769118a389f
tree991b2db76ae9fa950cbb16d834dd4fe46d14d2d1
parentb46e756f5e47031c67658ff036e5ffe27062fa43
khugepaged: move up_read(mmap_sem) out of khugepaged_alloc_page()

Both variants of khugepaged_alloc_page() do up_read(&mm->mmap_sem)
first: no point keep it inside the function.

Link: http://lkml.kernel.org/r/1466021202-61880-33-git-send-email-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/khugepaged.c