diff options
| author |   Suren Baghdasaryan <surenb@google.com> | 2024-04-14 19:08:21 -0700 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2024-05-05 17:53:37 -0700 |
| commit | b5ba3a64279355731252098d92550e12bf9649e4 (patch) | |
| tree | 086ef28feea9cdbf61b2fb69e1d93e3ba09b96da /lib/xarray.c | |
| parent | mm: page_alloc: allowing mTHP compaction to capture the freed page directly (diff) | |
| download | wireguard-linux-b5ba3a64279355731252098d92550e12bf9649e4.tar.xz wireguard-linux-b5ba3a64279355731252098d92550e12bf9649e4.zip | |
userfaultfd: remove WRITE_ONCE when setting folio->index during UFFDIO_MOVE
When folio is moved with UFFDIO_MOVE it gets locked before the rmap and
index are modified. Due to the folio lock being already held,
WRITE_ONCE() is not needed when setting the folio index. Remove it.
Link: https://lkml.kernel.org/r/20240415020821.1152951-1-surenb@google.com
Reported-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Cc: Lokesh Gidra <lokeshgidra@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/xarray.c')
0 files changed, 0 insertions, 0 deletions