From c5b4e1b02f2a0c2309ecd58a235a2f5ee4eb0074 Mon Sep 17 00:00:00 2001
From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Date: Tue, 8 Sep 2015 15:02:09 -0700
Subject: [PATCH] mm, page_isolation: make set/unset_migratetype_isolate()
file-local
Nowaday, set/unset_migratetype_isolate() is defined and used only in
mm/page_isolation, so let's limit the scope within the file.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/page-isolation.h | 5 -----
mm/page_isolation.c | 5 +++--
2 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h
index 2dc1e1697b45..047d64706f2a 100644
--- a/include/linux/page-isolation.h
+++ b/include/linux/page-isolation.h
@@ -65,11 +65,6 @@ undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
bool skip_hwpoisoned_pages);
-/*
- * Internal functions. Changes pageblock's migrate type.
- */
-int set_migratetype_isolate(struct page *page, bool skip_hwpoisoned_pages);
-void unset_migratetype_isolate(struct page *page, unsigned migratetype);
struct page *alloc_migrate_target(struct page *page, unsigned long private,
int **resultp);
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index 32fdc1df05e5..4568fd58f70a 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -9,7 +9,8 @@
#include <linux/hugetlb.h>
#include "internal.h"
-int set_migratetype_isolate(struct page *page, bool skip_hwpoisoned_pages)
+static int set_migratetype_isolate(struct page *page,
+ bool skip_hwpoisoned_pages)
{
struct zone *zone;
unsigned long flags, pfn;
@@ -72,7 +73,7 @@ out:
return ret;
}
-void unset_migratetype_isolate(struct page *page, unsigned migratetype)
+static void unset_migratetype_isolate(struct page *page, unsigned migratetype)
{
struct zone *zone;
unsigned long flags, nr_pages;