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| author |   Kairui Song <kasong@tencent.com> | 2023-10-17 09:17:28 +0800 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2023-10-25 16:47:11 -0700 |
| commit | e5b306a082982cb98bc7ec48a382225522401a61 (patch) | |
| tree | e00b6ae62076aebb9089890881ef918f4e799a46 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | mm: kmem: reimplement get_obj_cgroup_from_current() (diff) | |
| download | wireguard-linux-e5b306a082982cb98bc7ec48a382225522401a61.tar.xz wireguard-linux-e5b306a082982cb98bc7ec48a382225522401a61.zip | |
mm/swap: avoid a xa load for swapout path
A variable is never used for swapout path (shadowp is NULL) and compiler
is unable to optimize out the unneeded load since it's a function call.
The was introduced by 3852f6768ede ("mm/swapcache: support to handle the
shadow entries").
Link: https://lkml.kernel.org/r/20231017011728.37508-1-ryncsn@gmail.com
Signed-off-by: Kairui Song <kasong@tencent.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions