diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-11-06 16:29:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-06 17:50:42 -0800 |
| commit | bc4f610d5a884eedfeac3b08f2ac87df74a1e55f (patch) | |
| tree | 4c646399ba0a194a05e5ce516c402890006d1d93 /mm/slub.c | |
| parent | 474e4eeaf26b6c3298ca3ae9d0a705b0853efb2a (diff) | |
| download | lwn-bc4f610d5a884eedfeac3b08f2ac87df74a1e55f.tar.gz lwn-bc4f610d5a884eedfeac3b08f2ac87df74a1e55f.zip | |
slab, slub: use page->rcu_head instead of page->lru plus cast
We have properly typed page->rcu_head, no need to cast page->lru.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/mm/slub.c b/mm/slub.c index 97695622a858..7cb4bf9ae320 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1507,10 +1507,7 @@ static void free_slab(struct kmem_cache *s, struct page *page) VM_BUG_ON(s->reserved != sizeof(*head)); head = page_address(page) + offset; } else { - /* - * RCU free overloads the RCU head over the LRU - */ - head = (void *)&page->lru; + head = &page->rcu_head; } call_rcu(head, rcu_free_slab); |