diff options
| author | Huang Shijie <[email protected]> | 2019-05-13 17:21:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2019-05-14 09:47:49 -0700 |
| commit | 059d8442ea77dd995c7ec075c6a6cca527b1c244 (patch) | |
| tree | 8299026f710428aca2cbe8ffecec2aa4bd71ef9a | |
| parent | cfcbfb1382dbac331d8aa92d3a218a16b803b2a9 (diff) | |
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/[email protected]
Signed-off-by: Huang Shijie <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Cc: Mike Kravetz <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/rmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 0cbed70700ed..e5dfe2ae6b0d 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -850,7 +850,7 @@ int page_referenced(struct page *page, }; *vm_flags = 0; - if (!page_mapped(page)) + if (!pra.mapcount) return 0; if (!page_rmapping(page)) |