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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-02-25 17:15:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-02-26 09:40:59 -0800 |
| commit | 8c647dd1e39573f23a4ca25c09f82716b70e702c (patch) | |
| tree | c15c1ce8efa944dfbe899e423b4c20f84d385df4 /mm/shmem.c | |
| parent | 96888e0ab0e652eb3036eff0cb0664a96cb7e9a9 (diff) | |
mm/swap: optimise get_shadow_from_swap_cache
There's no need to get a reference to the page, just load the entry and
see if it's a shadow entry.
Link: https://lkml.kernel.org/r/20201112212641.27837-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/shmem.c')
0 files changed, 0 insertions, 0 deletions