tree 8299026f710428aca2cbe8ffecec2aa4bd71ef9a
parent cfcbfb1382dbac331d8aa92d3a218a16b803b2a9
author Huang Shijie <sjhuang@iluvatar.ai> 1557793267 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1557852469 -0700

mm/rmap.c: use the pra.mapcount to do the check

We have the pra.mapcount already, and there is no need to call the
page_mapped() which may do some complicated computing for compound page.

Link: http://lkml.kernel.org/r/20190404054828.2731-1-sjhuang@iluvatar.ai
Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>