diff options
| author | Matthew Wilcox (Oracle) <[email protected]> | 2023-11-09 21:06:06 +0000 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2023-12-29 11:58:23 -0800 |
| commit | 4b04646caed5449ca97b909bbadca0a7a2762159 (patch) | |
| tree | 5cd1ce53053440538719de2a4e410b0409806326 /tools/perf/scripts/python/flamegraph.py | |
| parent | 808441943f6b817f4836752c6e0d1c07507f375e (diff) | |
buffer: fix various functions for block size > PAGE_SIZE
If i_blkbits is larger than PAGE_SHIFT, we shift by a negative number,
which is undefined. It is safe to shift the block left as a block device
must be smaller than MAX_LFS_FILESIZE, which is guaranteed to fit in
loff_t.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Pankaj Raghav <[email protected]>
Cc: Hannes Reinecke <[email protected]>
Cc: Luis Chamberlain <[email protected]>
Cc: Ryusuke Konishi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions