[PATCH] Replace min_unmapped_ratio by min_unmapped_pages in struct zone

*_pages is a better description of the role of the variable.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 4 insertions, 4 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 7fe317164b73..a703527e2b45 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -169,7 +169,7 @@ struct zone {
         /*
          * zone reclaim becomes active if more unmapped pages exist.
          */
-        unsigned long           min_unmapped_ratio;
+        unsigned long           min_unmapped_pages;
         struct per_cpu_pageset  *pageset[NR_CPUS];
 #else
         struct per_cpu_pageset  pageset[NR_CPUS];
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f7ea020c23ea..5da6bc4e0a6b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2002,7 +2002,7 @@ static void __meminit free_area_init_core(struct pglist_data *pgdat,
                 zone->spanned_pages = size;
                 zone->present_pages = realsize;
 #ifdef CONFIG_NUMA
-                zone->min_unmapped_ratio = (realsize*sysctl_min_unmapped_ratio)
+                zone->min_unmapped_pages = (realsize*sysctl_min_unmapped_ratio)
                                                 / 100;
 #endif
                 zone->name = zone_names[j];
@@ -2313,7 +2313,7 @@ int sysctl_min_unmapped_ratio_sysctl_handler(ctl_table *table, int write,
                 return rc;
 
         for_each_zone(zone)
-                zone->min_unmapped_ratio = (zone->present_pages *
+                zone->min_unmapped_pages = (zone->present_pages *
                                 sysctl_min_unmapped_ratio) / 100;
         return 0;
 }
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8f35d7d585cb..5154c25e8440 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1618,7 +1618,7 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
          * unmapped file backed pages.
          */
         if (zone_page_state(zone, NR_FILE_PAGES) -
-            zone_page_state(zone, NR_FILE_MAPPED) <= zone->min_unmapped_ratio)
+            zone_page_state(zone, NR_FILE_MAPPED) <= zone->min_unmapped_pages)
                 return 0;
 
         /*