diff options
| author | Jianfeng Wang <jianfeng.w.wang@oracle.com> | 2024-04-22 21:55:54 -0700 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2024-04-23 13:18:39 +0200 |
| commit | b3d8a8e870144369fdbcbb1a78878ce98532265a (patch) | |
| tree | 44c289e625ff9cbc510a695b90bedcb0f6253906 /mm | |
| parent | 046f4c69090c120a51aa4767628afa900aac8e28 (diff) | |
slub: use count_partial_free_approx() in slab_out_of_memory()
slab_out_of_memory() uses count_partial() to get the exact count
of free objects for each node. As it may get called in the slab
allocation path, count_partial_free_approx() can be used to avoid
the risk and overhead of traversing a long partial slab list.
At the same time, show_slab_objects() still uses count_partial().
Thus, slub users can still have the option to access the exact
count of objects via sysfs if the overhead is acceptable to them.
Signed-off-by: Jianfeng Wang <jianfeng.w.wang@oracle.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/slub.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/slub.c b/mm/slub.c index 7e2a208134c3..3aa12b9b323d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3301,7 +3301,7 @@ slab_out_of_memory(struct kmem_cache *s, gfp_t gfpflags, int nid) unsigned long nr_objs; unsigned long nr_free; - nr_free = count_partial(n, count_free); + nr_free = count_partial_free_approx(n); nr_slabs = node_nr_slabs(n); nr_objs = node_nr_objs(n); |