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authorGuopeng Zhang <zhangguopeng@kylinos.cn>2026-07-13 16:50:53 +0800
committerAndrew Morton <akpm@linux-foundation.org>2026-08-04 19:19:07 -0700
commit72f522bbf473f03a77e83547b677dc1505c5d41a (patch)
tree958cbbb5d7dc7521b8aa43fec4d52f6826885e87 /tools/perf/scripts/python/stackcollapse.py
parent04b09ca57d485cdd3c85f810856bed756965a092 (diff)
mm: memcontrol: update state_local when flushing NMI stats
flush_nmi_stats() updates state[] for kmem and slab counters but leaves the corresponding state_local[] counters unchanged. Local kmem and slab statistics therefore miss updates collected through the NMI-safe atomic path. Update state_local[] together with state[]. Link: https://lore.kernel.org/20260713085053.2916813-1-guopeng.zhang@linux.dev Fixes: 940b01fc8dc1 ("memcg: nmi safe memcg stats for specific archs") Signed-off-by: Guopeng Zhang <zhangguopeng@kylinos.cn> Acked-by: Tao Cui <cuitao@kylinos.cn> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Shakeel Butt <shakeel.butt@linux.dev> Cc: Alexandre Ghiti <alex@ghiti.fr> Cc: Michal Hocko <mhocko@kernel.org> Cc: Muchun Song <muchun.song@linux.dev> Cc: Roman Gushchin <roman.gushchin@linux.dev> Cc: Vlastimil Babka <vbabka@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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