1 files changed, 1 insertions, 30 deletions

diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index df4661abadc4..83720460c5bc 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -29,10 +29,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
         unsigned long committed;
         long cached;
         long available;
-        unsigned long pagecache;
-        unsigned long wmark_low = 0;
         unsigned long pages[NR_LRU_LISTS];
-        struct zone *zone;
         int lru;
 
 /*
@@ -51,33 +48,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
         for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
                 pages[lru] = global_page_state(NR_LRU_BASE + lru);
 
-        for_each_zone(zone)
-                wmark_low += zone->watermark[WMARK_LOW];
-
-        /*
-         * Estimate the amount of memory available for userspace allocations,
-         * without causing swapping.
-         */
-        available = i.freeram - totalreserve_pages;
-
-        /*
-         * Not all the page cache can be freed, otherwise the system will
-         * start swapping. Assume at least half of the page cache, or the
-         * low watermark worth of cache, needs to stay.
-         */
-        pagecache = pages[LRU_ACTIVE_FILE] + pages[LRU_INACTIVE_FILE];
-        pagecache -= min(pagecache / 2, wmark_low);
-        available += pagecache;
-
-        /*
-         * Part of the reclaimable slab consists of items that are in use,
-         * and cannot be freed. Cap this estimate at the low watermark.
-         */
-        available += global_page_state(NR_SLAB_RECLAIMABLE) -
-                     min(global_page_state(NR_SLAB_RECLAIMABLE) / 2, wmark_low);
-
-        if (available < 0)
-                available = 0;
+        available = si_mem_available();
 
         /*
          * Tagged format, for easy grepping and expansion.