diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2026-09-16 12:31:52 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-10-12 21:26:21 -0700 |
| commit | dba177ad7829cb70de1054b49b6ec9999bb595c2 (patch) | |
| tree | 4f20f8bbc83aff4661354d94ead53eca66517a4d /tools/perf/scripts/python/task-analyzer.py | |
| parent | 331f94007d79b3c02d3098eea469a92aea3efc2c (diff) | |
mm: mincore: use per-vma lock during page table walk
do_mincore() performs a read-only, per-VMA residency query, making it a
good candidate for per-VMA locking. Convert it to acquire the per-VMA
lock, thereby reducing contention on the per-MM mmap_lock.
Link: https://lore.kernel.org/20260916043153.2631696-1-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Pedro Falcato <pfalcato@suse.de>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
0 files changed, 0 insertions, 0 deletions