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| author | Shakeel Butt <[email protected]> | 2025-05-14 18:41:58 +0000 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2025-05-22 21:55:39 +0000 |
| commit | 200577f69f29a58c90c67c83a0df6d12850e1d09 (patch) | |
| tree | 6692c352c036b49ae80b46e29d25e8311ad96527 /mm/hugetlb.c | |
| parent | memcg: no stock lock for cpu hot-unplug (diff) | |
| download | kernel-200577f69f29a58c90c67c83a0df6d12850e1d09.tar.gz kernel-200577f69f29a58c90c67c83a0df6d12850e1d09.zip | |
memcg: objcg stock trylock without irq disabling
There is no need to disable irqs to use objcg per-cpu stock, so let's just
not do that but consume_obj_stock() and refill_obj_stock() will need to
use trylock instead to avoid deadlock against irq. One consequence of
this change is that the charge request from irq context may take slowpath
more often but it should be rare.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Shakeel Butt <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: Roman Gushchin <[email protected]>
Cc: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'mm/hugetlb.c')
0 files changed, 0 insertions, 0 deletions