The patch titled
Subject: slub: fix kmem_cache_shrink return value
has been removed from the -mm tree. Its filename was
slub-fix-kmem_cache_shrink-return-value.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Subject: slub: fix kmem_cache_shrink return value
It is supposed to return 0 if the cache has no remaining objects and 1
otherwise, while currently it always returns 0. Fix it.
Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Acked-by: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slub.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff -puN mm/slub.c~slub-fix-kmem_cache_shrink-return-value mm/slub.c
--- a/mm/slub.c~slub-fix-kmem_cache_shrink-return-value
+++ a/mm/slub.c
@@ -3379,6 +3379,7 @@ int __kmem_cache_shrink(struct kmem_cach
struct list_head discard;
struct list_head promote[SHRINK_PROMOTE_MAX];
unsigned long flags;
+ int ret = 0;
flush_all(s);
for_each_kmem_cache_node(s, node, n) {
@@ -3425,9 +3426,12 @@ int __kmem_cache_shrink(struct kmem_cach
/* Release empty slabs */
list_for_each_entry_safe(page, t, &discard, lru)
discard_slab(s, page);
+
+ if (slabs_node(s, node))
+ ret = 1;
}
- return 0;
+ return ret;
}
static int slab_mem_going_offline_callback(void *arg)
_
Patches currently in -mm which might be from vdavydov@xxxxxxxxxxxxx are
origin.patch
mm-vmscan-fix-the-page-state-calculation-in-too_many_isolated.patch
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