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| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2024-12-19 10:30:08 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-12-31 04:59:09 +0300 |
| commit | d0e6983a6d1719738cf8d13982a68094f0a1872a (patch) | |
| tree | 3d0c0a8f384da2cbeb0e5c5c724802cfb67d2699 /tools/perf/scripts/python/syscall-counts.py | |
| parent | 11673247700e2af3a6a95f7b3f1bb80b691c950e (diff) | |
| download | linux-d0e6983a6d1719738cf8d13982a68094f0a1872a.tar.xz | |
mm: shmem: fix incorrect index alignment for within_size policy
With enabling the shmem per-size within_size policy, using an incorrect
'order' size to round_up() the index can lead to incorrect i_size checks,
resulting in an inappropriate large orders being returned.
Changing to use '1 << order' to round_up() the index to fix this issue.
Additionally, adding an 'aligned_index' variable to avoid affecting the
index checks.
Link: https://lkml.kernel.org/r/77d8ef76a7d3d646e9225e9af88a76549a68aab1.1734593154.git.baolin.wang@linux.alibaba.com
Fixes: e7a2ab7b3bb5 ("mm: shmem: add mTHP support for anonymous shmem")
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions