diff options
| author | Matthew Wilcox (Oracle) <[email protected]> | 2023-10-06 20:53:16 +0100 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2023-10-18 14:34:14 -0700 |
| commit | 4de8c93a4751e10737b6af65db42c743228c67a6 (patch) | |
| tree | d18ccc83e8de51ec6d9ed2e4ce7ff34f6245b64a /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | 4ed4379881aa62588aba6442a9f362a8cf7624e6 (diff) | |
mm: handle COW faults under the VMA lock
If the page is not currently present in the page tables, we need to call
the page fault handler to find out which page we're supposed to COW, so we
need to both check that there is already an anon_vma and that the fault
handler doesn't need the mmap_lock.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Suren Baghdasaryan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions