From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx192.postini.com [74.125.245.192]) by kanga.kvack.org (Postfix) with SMTP id 3BD236B000D for ; Mon, 28 Jan 2013 05:54:55 -0500 (EST) Message-ID: <510658F6.4010504@oracle.com> Date: Mon, 28 Jan 2013 18:54:46 +0800 From: Jeff Liu MIME-Version: 1.0 Subject: [PATCH v2 4/6] memcg: export nr_swap_files Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: Michal Hocko , Glauber Costa , cgroups@vger.kernel.org Export nr_swap_files which would be used for initializing and destorying swap cgroup structures in the coming patch. Signed-off-by: Jie Liu CC: Glauber Costa CC: Michal Hocko CC: Kamezawa Hiroyuki CC: Johannes Weiner CC: Mel Gorman CC: Andrew Morton CC: Sha Zhengju --- include/linux/swap.h | 1 + mm/swapfile.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/swap.h b/include/linux/swap.h index 68df9c1..6de44c9 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -348,6 +348,7 @@ extern struct page *swapin_readahead(swp_entry_t, gfp_t, /* linux/mm/swapfile.c */ extern long nr_swap_pages; extern long total_swap_pages; +extern unsigned int nr_swapfiles; extern void si_swapinfo(struct sysinfo *); extern swp_entry_t get_swap_page(void); extern swp_entry_t get_swap_page_of_type(int); diff --git a/mm/swapfile.c b/mm/swapfile.c index e97a0e5..89cebcf 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -46,7 +46,7 @@ static void free_swap_count_continuations(struct swap_info_struct *); static sector_t map_swap_entry(swp_entry_t, struct block_device**); DEFINE_SPINLOCK(swap_lock); -static unsigned int nr_swapfiles; +unsigned int nr_swapfiles; long nr_swap_pages; long total_swap_pages; static int least_priority; -- 1.7.9.5 -- 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