linux-kernel - [PATCH 3.2.0-rc1 1/3] Making si

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Message-Id: <58b74a5014e323cebeb4d3654f7f8a18c2f8d132.1325696593.git.leonid.moiseichuk@nokia.com>
Date:	Wed,  4 Jan 2012 19:21:54 +0200
From:	Leonid Moiseichuk <leonid.moiseichuk@...ia.com>
To:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:	cesarb@...arb.net, kamezawa.hiroyu@...fujitsu.com,
	emunson@...bm.net, penberg@...nel.org, aarcange@...hat.com,
	riel@...hat.com, mel@....ul.ie, rientjes@...gle.com,
	dima@...roid.com, gregkh@...e.de, rebecca@...roid.com,
	san@...gle.com, akpm@...ux-foundation.org,
	vesa.jaaskelainen@...ia.com
Subject: [PATCH 3.2.0-rc1 1/3] Making si_swapinfo exportable

If we will make si_swapinfo() exportable it could be called from modules.
Otherwise modules have no interface to obtain information about swap usage.
Change made in the same way as si_meminfo() declared.

Signed-off-by: Leonid Moiseichuk <leonid.moiseichuk@...ia.com>
---
 mm/swapfile.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index b1cd120..192cc25 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -5,10 +5,12 @@
  *  Swap reorganised 29.12.95, Stephen Tweedie
  */
 
+#include <linux/export.h>
 #include <linux/mm.h>
 #include <linux/hugetlb.h>
 #include <linux/mman.h>
 #include <linux/slab.h>
+#include <linux/kernel.h>
 #include <linux/kernel_stat.h>
 #include <linux/swap.h>
 #include <linux/vmalloc.h>
@@ -2177,6 +2179,7 @@ void si_swapinfo(struct sysinfo *val)
 	val->totalswap = total_swap_pages + nr_to_be_unused;
 	spin_unlock(&swap_lock);
 }
+EXPORT_SYMBOL(si_swapinfo);
 
 /*
  * Verify that a swap entry is valid and increment its swap map count.
-- 
1.7.7.3

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