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| author | Joshua Hahn <joshua.hahnjy@gmail.com> | 2025-06-02 19:23:40 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-07-10 08:42:02 +0300 |
| commit | 1ec8a6e30e9c4ad06ea5e94536623c59c4ae2400 (patch) | |
| tree | e0517ccb2f8938ed77d418d4426b1e6b7d970cb6 /include/linux | |
| parent | 1e6b17b4237dacb02e9cfeaed35d889bbc9e8a84 (diff) | |
| download | linux-1ec8a6e30e9c4ad06ea5e94536623c59c4ae2400.tar.xz | |
mm/mempolicy: skip unnecessary synchronize_rcu()
By unconditionally setting wi_state to NULL and conditionally calling
synchronize_rcu(), we can save an unncessary call when there is no
old_wi_state.
Link: https://lkml.kernel.org/r/20250602162345.2595696-2-joshua.hahnjy@gmail.com
Signed-off-by: Joshua Hahn <joshua.hahnjy@gmail.com>
Suggested-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Huang Ying <ying.huang@linux.alibaba.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Byungchul Park <byungchul@sk.com>
Cc: Gregory Price <gourry@gourry.net>
Cc: "Huang, Ying" <ying.huang@linux.alibaba.com>
Cc: kernel test robot <lkp@intel.com>
Cc: Mathew Brost <matthew.brost@intel.com>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions