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| author | Borislav Petkov <bp@suse.de> | 2022-09-27 15:29:33 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-09-27 15:29:33 +0200 |
| commit | c0cca6a66458a0daa627774de7ca2b678a6bb3d8 (patch) | |
| tree | a3fc9914daf2ca2fdedc7e4810302affdeb5680b /include/linux/memcontrol.h | |
| parent | 57646d6769f13f9484ffc6869c493e25a6568073 (diff) | |
| parent | e7ccba7728cff0e0f1299951571f209fcadcb7b1 (diff) | |
| download | linux-c0cca6a66458a0daa627774de7ca2b678a6bb3d8.tar.gz | |
Merge tag 'irqchip-fixes-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull more irqchip fixes for 6.0 from Marc Zyngier:
- A couple of configuration fixes for the recently merged Loongarch drivers
- A fix to avoid dynamic allocation of a cpumask which was causing issues
with PREEMPT_RT and the GICv3 ITS
- A tightening of an error check in the stm32 exti driver
Link: https://lore.kernel.org/r/20220916085158.2592518-1-maz@kernel.org
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 4d31ce55b1c0..6257867fbf95 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -987,19 +987,30 @@ static inline void mod_memcg_page_state(struct page *page, static inline unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx) { - return READ_ONCE(memcg->vmstats.state[idx]); + long x = READ_ONCE(memcg->vmstats.state[idx]); +#ifdef CONFIG_SMP + if (x < 0) + x = 0; +#endif + return x; } static inline unsigned long lruvec_page_state(struct lruvec *lruvec, enum node_stat_item idx) { struct mem_cgroup_per_node *pn; + long x; if (mem_cgroup_disabled()) return node_page_state(lruvec_pgdat(lruvec), idx); pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec); - return READ_ONCE(pn->lruvec_stats.state[idx]); + x = READ_ONCE(pn->lruvec_stats.state[idx]); +#ifdef CONFIG_SMP + if (x < 0) + x = 0; +#endif + return x; } static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec, |