From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx115.postini.com [74.125.245.115]) by kanga.kvack.org (Postfix) with SMTP id AF3BE6B0038 for ; Sat, 17 Aug 2013 15:32:25 -0400 (EDT) From: Johannes Weiner Subject: [patch 7/9] mm: make global_dirtyable_memory() available to other mm code Date: Sat, 17 Aug 2013 15:31:21 -0400 Message-Id: <1376767883-4411-8-git-send-email-hannes@cmpxchg.org> In-Reply-To: <1376767883-4411-1-git-send-email-hannes@cmpxchg.org> References: <1376767883-4411-1-git-send-email-hannes@cmpxchg.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Andi Kleen , Andrea Arcangeli , Greg Thelen , Christoph Hellwig , Hugh Dickins , Jan Kara , KOSAKI Motohiro , Mel Gorman , Minchan Kim , Peter Zijlstra , Rik van Riel , Michel Lespinasse , Seth Jennings , Roman Gushchin , Ozgun Erdogan , Metin Doslu , Vlastimil Babka , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subsequent patches need a rough estimate of memory available for page cache. Signed-off-by: Johannes Weiner --- include/linux/writeback.h | 1 + mm/page-writeback.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 4e198ca..4c26df7 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -154,6 +154,7 @@ struct ctl_table; int dirty_writeback_centisecs_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); +unsigned long global_dirtyable_memory(void); void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty); unsigned long bdi_dirty_limit(struct backing_dev_info *bdi, unsigned long dirty); diff --git a/mm/page-writeback.c b/mm/page-writeback.c index d374b29..60376ad 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -231,7 +231,7 @@ static unsigned long highmem_dirtyable_memory(unsigned long total) * Returns the global number of pages potentially available for dirty * page cache. This is the base value for the global dirty limits. */ -static unsigned long global_dirtyable_memory(void) +unsigned long global_dirtyable_memory(void) { unsigned long x; -- 1.8.3.2 -- 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