---

yaml --- r: 356569 b: refs/heads/master c: 75f7ad8 h: refs/heads/master i: 356567: 8fc864f v: v3
git-mirror · Feb 24, 2013 · 1f484e1 · 1f484e1
1 parent 30ccad3
commit 1f484e1
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Showing 5 changed files with 7 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 08b52706d505658eac0962d215ff697f898bbc13
+refs/heads/master: 75f7ad8e043d9383337d917584297f7737154bbf
diff --git a/trunk/include/linux/mm.h b/trunk/include/linux/mm.h
@@ -1393,6 +1393,9 @@ extern void setup_per_cpu_pageset(void);
 extern void zone_pcp_update(struct zone *zone);
 extern void zone_pcp_reset(struct zone *zone);
 
+/* page_alloc.c */
+extern int min_free_kbytes;
+
 /* nommu.c */
 extern atomic_long_t mmap_pages_allocated;
 extern int nommu_shrink_inode_mappings(struct inode *, size_t, size_t);

diff --git a/trunk/kernel/sysctl.c b/trunk/kernel/sysctl.c
@@ -105,7 +105,6 @@ extern char core_pattern[];
 extern unsigned int core_pipe_limit;
 #endif
 extern int pid_max;
-extern int min_free_kbytes;
 extern int pid_max_min, pid_max_max;
 extern int sysctl_drop_caches;
 extern int percpu_pagelist_fraction;

diff --git a/trunk/mm/huge_memory.c b/trunk/mm/huge_memory.c
@@ -105,7 +105,6 @@ static int set_recommended_min_free_kbytes(void)
 	struct zone *zone;
 	int nr_zones = 0;
 	unsigned long recommended_min;
-	extern int min_free_kbytes;
 
 	if (!khugepaged_enabled())
 		return 0;

diff --git a/trunk/mm/page-writeback.c b/trunk/mm/page-writeback.c
@@ -241,6 +241,9 @@ static unsigned long global_dirtyable_memory(void)
 	if (!vm_highmem_is_dirtyable)
 		x -= highmem_dirtyable_memory(x);
 
+	/* Subtract min_free_kbytes */
+	x -= min_t(unsigned long, x, min_free_kbytes >> (PAGE_SHIFT - 10));
+
 	return x + 1;	/* Ensure that we never return 0 */
 }