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| author |   Suren Baghdasaryan <surenb@google.com> | 2024-11-22 09:44:16 -0800 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2024-12-02 12:01:38 +0100 |
| commit | 03a001b156d2da186a5618de242750d06bf81e2d (patch) | |
| tree | 660b4233e154713e7d52178f4914bbaf7cbff826 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | mm: convert mm_lock_seq to a proper seqcount (diff) | |
| download | wireguard-linux-03a001b156d2da186a5618de242750d06bf81e2d.tar.xz wireguard-linux-03a001b156d2da186a5618de242750d06bf81e2d.zip | |
mm: introduce mmap_lock_speculate_{try_begin|retry}
Add helper functions to speculatively perform operations without
read-locking mmap_lock, expecting that mmap_lock will not be
write-locked and mm is not modified from under us.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Link: https://lkml.kernel.org/r/20241122174416.1367052-3-surenb@google.com
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions