[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>

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 7fe3171..a703527 100644 (file)
--- 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 f7ea020..5da6bc4 100644 (file)
--- 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 8f35d7d..5154c25 100644 (file)
--- 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;
 
        /*