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author | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-07-08 18:10:01 +0800 |
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committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-07-09 06:35:09 +0800 |
commit | 448b5a1548d87c246c3d0c3df8480d3c6eb6c11a (patch) | |
tree | 4a9779d849bfbee1d32b83a19517c43775b2b838 /fs/io_uring.c | |
parent | 2df7c4bd7c1d2bc5ece5e9ed19dbd386810c2a65 (diff) |
erofs: avoid consecutive detection for Highmem memory
Currently, vmap()s are avoided if physical addresses are
consecutive for decompressed buffers.
I observed that is very common for 4KiB pclusters since the
numbers of decompressed pages are almost 2 or 3.
However, such detection doesn't work for Highmem pages on
32-bit machines, let's fix it now.
Reported-by: Liu Jinbao <liujinbao1@xiaomi.com>
Fixes: 7fc45dbc938a ("staging: erofs: introduce generic decompression backend")
Link: https://lore.kernel.org/r/20220708101001.21242-1-hsiangkao@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/io_uring.c')
0 files changed, 0 insertions, 0 deletions