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| author | Vlastimil Babka <vbabka@suse.cz> | 2021-05-28 14:32:10 +0200 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2021-09-03 23:56:49 +0200 |
| commit | eafb1d64030abf5f885026c2074d120c13e0ca9d (patch) | |
| tree | f003b23015c0f778982ac87ac1d5ff2d021984a5 /mm/slub.c | |
| parent | Linux 5.14 (diff) | |
| download | linux-eafb1d64030abf5f885026c2074d120c13e0ca9d.tar.xz linux-eafb1d64030abf5f885026c2074d120c13e0ca9d.zip | |
mm, slub: don't call flush_all() from slab_debug_trace_open()
slab_debug_trace_open() can only be called on caches with SLAB_STORE_USER flag
and as with all slub debugging flags, such caches avoid cpu or percpu partial
slabs altogether, so there's nothing to flush.
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Christoph Lameter <cl@linux.com>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/mm/slub.c b/mm/slub.c index f77d8cd79ef7..f6063ec97a55 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -5825,9 +5825,6 @@ static int slab_debug_trace_open(struct inode *inode, struct file *filep) if (!alloc_loc_track(t, PAGE_SIZE / sizeof(struct location), GFP_KERNEL)) return -ENOMEM; - /* Push back cpu slabs */ - flush_all(s); - for_each_kmem_cache_node(s, node, n) { unsigned long flags; struct page *page; |