From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f198.google.com (mail-wr0-f198.google.com [209.85.128.198]) by kanga.kvack.org (Postfix) with ESMTP id 463076B0012 for ; Mon, 5 Mar 2018 15:08:04 -0500 (EST) Received: by mail-wr0-f198.google.com with SMTP id j21so11963942wre.20 for ; Mon, 05 Mar 2018 12:08:04 -0800 (PST) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id m196sor1062331wma.12.2018.03.05.12.08.03 for (Google Transport Security); Mon, 05 Mar 2018 12:08:03 -0800 (PST) From: Alexey Dobriyan Subject: [PATCH 12/25] slub: make ->reserved unsigned int Date: Mon, 5 Mar 2018 23:07:17 +0300 Message-Id: <20180305200730.15812-12-adobriyan@gmail.com> In-Reply-To: <20180305200730.15812-1-adobriyan@gmail.com> References: <20180305200730.15812-1-adobriyan@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: akpm@linux-foundation.org Cc: cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, linux-mm@kvack.org, adobriyan@gmail.com ->reserved is either 0 or sizeof(struct rcu_head), can't be negative. Signed-off-by: Alexey Dobriyan --- include/linux/slub_def.h | 2 +- mm/slub.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index 9f59fc16444b..2b4417aa15d8 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -100,7 +100,7 @@ struct kmem_cache { void (*ctor)(void *); int inuse; /* Offset to metadata */ int align; /* Alignment */ - int reserved; /* Reserved bytes at the end of slabs */ + unsigned int reserved; /* Reserved bytes at the end of slabs */ unsigned int red_left_pad; /* Left redzone padding size */ const char *name; /* Name (only for display!) */ struct list_head list; /* List of slab caches */ diff --git a/mm/slub.c b/mm/slub.c index d9db1d184549..72623f210892 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -5093,7 +5093,7 @@ SLAB_ATTR_RO(destroy_by_rcu); static ssize_t reserved_show(struct kmem_cache *s, char *buf) { - return sprintf(buf, "%d\n", s->reserved); + return sprintf(buf, "%u\n", s->reserved); } SLAB_ATTR_RO(reserved); -- 2.16.1 -- 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