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| author |   Miaohe Lin <linmiaohe@huawei.com> | 2020-10-15 20:07:36 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 11:11:17 -0700 |
| commit | 406100762ae9ae5b7709c737ada3089160a0f77a (patch) | |
| tree | 3a7129a66491e1aadfedd5a2f0fc19738a091c40 /mm/vmstat.c | |
| parent | mm/page_poison.c: replace bool variable with static key (diff) | |
| download | linux-dev-406100762ae9ae5b7709c737ada3089160a0f77a.tar.xz linux-dev-406100762ae9ae5b7709c737ada3089160a0f77a.zip | |
mm/vmstat.c: use helper macro abs()
Use helper macro abs() to simplify the "x > t || x < -t" cmp.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20200905084008.15748-1-linmiaohe@huawei.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
| -rw-r--r-- | mm/vmstat.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index 4f7b4ee6aa12..698bc0bc18d1 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -325,7 +325,7 @@ void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item, t = __this_cpu_read(pcp->stat_threshold); - if (unlikely(x > t || x < -t)) { + if (unlikely(abs(x) > t)) { zone_page_state_add(x, zone, item); x = 0; } @@ -350,7 +350,7 @@ void __mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item, t = __this_cpu_read(pcp->stat_threshold); - if (unlikely(x > t || x < -t)) { + if (unlikely(abs(x) > t)) { node_page_state_add(x, pgdat, item); x = 0; } @@ -511,7 +511,7 @@ static inline void mod_zone_state(struct zone *zone, o = this_cpu_read(*p); n = delta + o; - if (n > t || n < -t) { + if (abs(n) > t) { int os = overstep_mode * (t >> 1) ; /* Overflow must be added to zone counters */ @@ -573,7 +573,7 @@ static inline void mod_node_state(struct pglist_data *pgdat, o = this_cpu_read(*p); n = delta + o; - if (n > t || n < -t) { + if (abs(n) > t) { int os = overstep_mode * (t >> 1) ; /* Overflow must be added to node counters */ |