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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2015-11-07 03:29:44 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-07 04:50:42 +0300
commitbc4f610d5a884eedfeac3b08f2ac87df74a1e55f (patch)
tree4c646399ba0a194a05e5ce516c402890006d1d93 /mm/slub.c
parent474e4eeaf26b6c3298ca3ae9d0a705b0853efb2a (diff)
downloadlinux-bc4f610d5a884eedfeac3b08f2ac87df74a1e55f.tar.xz
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.c5
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);