swap: swapin_nr_pages() can be static

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Shaohua Li <shli@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/swap_state.c b/mm/swap_state.c
index efda4e0a954173bb8b340d3ff648300f0eda26ca..e76ace30d4364e99e2311adc73e8fff87dfe6f5a 100644 (file)
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -394,7 +394,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
        return found_page;
 }
 
-unsigned long swapin_nr_pages(unsigned long offset)
+static unsigned long swapin_nr_pages(unsigned long offset)
 {
        static unsigned long prev_offset;
        unsigned int pages, max_pages, last_ra;