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| author |   Yang Yang <yang.yang29@zte.com.cn> | 2022-08-08 00:56:45 +0000 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2022-09-11 20:25:49 -0700 |
| commit | e9c2dbc8bf71a5039604a1dc45b10f24a2098f3b (patch) | |
| tree | 67ff96241881ed6ab53e88c2fbf40b9f7157dfb8 /mm/vmscan.c | |
| parent | selftests: vm: add /dev/userfaultfd test cases to run_vmtests.sh (diff) | |
| download | linux-dev-e9c2dbc8bf71a5039604a1dc45b10f24a2098f3b.tar.xz linux-dev-e9c2dbc8bf71a5039604a1dc45b10f24a2098f3b.zip | |
mm/vmscan: define macros for refaults in struct lruvec
The magic number 0 and 1 are used in several places in vmscan.c.
Define macros for them to improve code readability.
Link: https://lkml.kernel.org/r/20220808005644.1721066-1-yang.yang29@zte.com.cn
Signed-off-by: Yang Yang <yang.yang29@zte.com.cn>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index b2b1431352dc..428f8fa60331 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -3230,7 +3230,7 @@ again: refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE_ANON); - if (refaults != target_lruvec->refaults[0] || + if (refaults != target_lruvec->refaults[WORKINGSET_ANON] || inactive_is_low(target_lruvec, LRU_INACTIVE_ANON)) sc->may_deactivate |= DEACTIVATE_ANON; else @@ -3243,7 +3243,7 @@ again: */ refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE_FILE); - if (refaults != target_lruvec->refaults[1] || + if (refaults != target_lruvec->refaults[WORKINGSET_FILE] || inactive_is_low(target_lruvec, LRU_INACTIVE_FILE)) sc->may_deactivate |= DEACTIVATE_FILE; else @@ -3559,9 +3559,9 @@ static void snapshot_refaults(struct mem_cgroup *target_memcg, pg_data_t *pgdat) target_lruvec = mem_cgroup_lruvec(target_memcg, pgdat); refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE_ANON); - target_lruvec->refaults[0] = refaults; + target_lruvec->refaults[WORKINGSET_ANON] = refaults; refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE_FILE); - target_lruvec->refaults[1] = refaults; + target_lruvec->refaults[WORKINGSET_FILE] = refaults; } /* |