From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f45.google.com (mail-pa0-f45.google.com [209.85.220.45]) by kanga.kvack.org (Postfix) with ESMTP id 770DE6B00F9 for ; Mon, 3 Nov 2014 16:00:25 -0500 (EST) Received: by mail-pa0-f45.google.com with SMTP id lf10so12899734pab.4 for ; Mon, 03 Nov 2014 13:00:25 -0800 (PST) Received: from mx2.parallels.com (mx2.parallels.com. [199.115.105.18]) by mx.google.com with ESMTPS id x3si16139668pdr.187.2014.11.03.13.00.23 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Nov 2014 13:00:23 -0800 (PST) From: Vladimir Davydov Subject: [PATCH -mm 7/8] slab: introduce slab_free helper Date: Mon, 3 Nov 2014 23:59:45 +0300 Message-ID: <439ae0a228e18af4ba909dce471a7e3d21005ef6.1415046910.git.vdavydov@parallels.com> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Johannes Weiner , Michal Hocko , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , linux-mm@kvack.org, linux-kernel@vger.kernel.org Signed-off-by: Vladimir Davydov --- mm/slab.c | 30 ++++++++++++++---------------- 1 file changed, 14 insertions(+), 16 deletions(-) diff --git a/mm/slab.c b/mm/slab.c index a9eb49f40c0a..178a3b733a50 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3521,6 +3521,18 @@ void *__kmalloc_track_caller(size_t size, gfp_t flags, unsigned long caller) } EXPORT_SYMBOL(__kmalloc_track_caller); +static __always_inline void slab_free(struct kmem_cache *cachep, void *objp) +{ + unsigned long flags; + + local_irq_save(flags); + debug_check_no_locks_freed(objp, cachep->object_size); + if (!(cachep->flags & SLAB_DEBUG_OBJECTS)) + debug_check_no_obj_freed(objp, cachep->object_size); + __cache_free(cachep, objp, _RET_IP_); + local_irq_restore(flags); +} + /** * kmem_cache_free - Deallocate an object * @cachep: The cache the allocation was from. @@ -3531,18 +3543,10 @@ EXPORT_SYMBOL(__kmalloc_track_caller); */ void kmem_cache_free(struct kmem_cache *cachep, void *objp) { - unsigned long flags; cachep = cache_from_obj(cachep, objp); if (!cachep) return; - - local_irq_save(flags); - debug_check_no_locks_freed(objp, cachep->object_size); - if (!(cachep->flags & SLAB_DEBUG_OBJECTS)) - debug_check_no_obj_freed(objp, cachep->object_size); - __cache_free(cachep, objp, _RET_IP_); - local_irq_restore(flags); - + slab_free(cachep, objp); trace_kmem_cache_free(_RET_IP_, objp); } EXPORT_SYMBOL(kmem_cache_free); @@ -3559,20 +3563,14 @@ EXPORT_SYMBOL(kmem_cache_free); void kfree(const void *objp) { struct kmem_cache *c; - unsigned long flags; trace_kfree(_RET_IP_, objp); if (unlikely(ZERO_OR_NULL_PTR(objp))) return; - local_irq_save(flags); kfree_debugcheck(objp); c = virt_to_cache(objp); - debug_check_no_locks_freed(objp, c->object_size); - - debug_check_no_obj_freed(objp, c->object_size); - __cache_free(c, (void *)objp, _RET_IP_); - local_irq_restore(flags); + slab_free(c, (void *)objp); } EXPORT_SYMBOL(kfree); -- 1.7.10.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org