Messages in this thread Patch in this message | | | From | "Kirill A. Shutemov" <> | Subject | [PATCHv5 2/7] slub: use page->rcu_head instead of page->lru plus cast | Date | Thu, 3 Sep 2015 15:35:53 +0300 |
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We have properly typed page->rcu_head, no need to cast page->lru.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Christoph Lameter <cl@linux.com> --- mm/slub.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c index 816df0016555..869642d03b22 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1510,10 +1510,7 @@ 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); -- 2.5.0
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