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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-01-08 13:13:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-01-16 10:46:39 -0800 |
| commit | 29a951dfb3c3263c3a0f3bd9f7f2c2cfde4baedb (patch) | |
| tree | 04043448c9ada73ea98a6b573520e4b0c9ef8e14 /tools/perf/scripts/python/stackcollapse.py | |
| parent | Merge tag 'for-5.11/dm-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm (diff) | |
| download | wireguard-linux-29a951dfb3c3263c3a0f3bd9f7f2c2cfde4baedb.tar.xz wireguard-linux-29a951dfb3c3263c3a0f3bd9f7f2c2cfde4baedb.zip | |
mm: fix clear_refs_write locking
Turning page table entries read-only requires the mmap_sem held for
writing.
So stop doing the odd games with turning things from read locks to write
locks and back. Just get the write lock.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions