[PATCH 1/3] mm: rename nr_free_zone_pages to nr_free_zone_high_pages

[Zhang Yanfei <zhangyanfei.yes@xxxxxxxxx>]

From: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>

This function actually counts present_pages - pages_high, so rename
it to a reasonable name.

Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
---
 mm/page_alloc.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index df2022f..4aea19e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2785,7 +2785,7 @@ void free_pages_exact(void *virt, size_t size)
 }
 EXPORT_SYMBOL(free_pages_exact);
 
-static unsigned int nr_free_zone_pages(int offset)
+static unsigned int nr_free_zone_high_pages(int offset)
 {
 	struct zoneref *z;
 	struct zone *zone;
@@ -2810,7 +2810,7 @@ static unsigned int nr_free_zone_pages(int offset)
  */
 unsigned int nr_free_buffer_pages(void)
 {
-	return nr_free_zone_pages(gfp_zone(GFP_USER));
+	return nr_free_zone_high_pages(gfp_zone(GFP_USER));
 }
 EXPORT_SYMBOL_GPL(nr_free_buffer_pages);
 
@@ -2819,7 +2819,7 @@ EXPORT_SYMBOL_GPL(nr_free_buffer_pages);
  */
 unsigned int nr_free_pagecache_pages(void)
 {
-	return nr_free_zone_pages(gfp_zone(GFP_HIGHUSER_MOVABLE));
+	return nr_free_zone_high_pages(gfp_zone(GFP_HIGHUSER_MOVABLE));
 }
 
 static inline void show_node(struct zone *zone)
-- 
1.7.1

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