[PATCH v2 1/2] Making si_swapinfo exportable

[Leonid Moiseichuk]

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@xxxxxxxxx>
---
 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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