diff options
| author | Muchun Song <[email protected]> | 2022-08-19 11:55:32 +0800 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2022-09-11 20:25:58 -0700 |
| commit | 33febb519d673b9f574903764f13f47e65328ca5 (patch) | |
| tree | 3217f129c5ebe80905a6cb0d6a8631e242cd012d /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | e9ff3ba7ff10490a92792faf1d3573a24fc6e5c9 (diff) | |
mm: hugetlb_vmemmap: simplify reset_struct_pages()
We can choose to copy three contiguous tail pages' content to the first
three pages instead of copying one by one to simplify the code and reduce
code size from 229 bytes to 63 bytes. The BUILD_BUG_ON() aims to avoid
out-of-bounds accesses.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Muchun Song <[email protected]>
Reviewed-by: Miaohe Lin <[email protected]>
Cc: Mike Kravetz <[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