3 files changed, 11 insertions, 10 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index c80dbd4a62c6..6e11cda1ba02 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1052,7 +1052,7 @@ extern int __meminit __early_pfn_to_nid(unsigned long pfn);
 extern void set_dma_reserve(unsigned long new_dma_reserve);
 extern void memmap_init_zone(unsigned long, int, unsigned long,
                                 unsigned long, enum memmap_context);
-extern void setup_per_zone_pages_min(void);
+extern void setup_per_zone_wmarks(void);
 extern void mem_init(void);
 extern void __init mmap_init(void);
 extern void show_mem(void);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index c083cf5fd6df..037291e15b27 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -422,7 +422,7 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
         zone->present_pages += onlined_pages;
         zone->zone_pgdat->node_present_pages += onlined_pages;
 
-        setup_per_zone_pages_min();
+        setup_per_zone_wmarks();
         if (onlined_pages) {
                 kswapd_run(zone_to_nid(zone));
                 node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5b09488d0f55..8629c84fd9ba 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4396,12 +4396,13 @@ static void setup_per_zone_lowmem_reserve(void)
 }
 
 /**
- * setup_per_zone_pages_min - called when min_free_kbytes changes.
+ * setup_per_zone_wmarks - called when min_free_kbytes changes
+ * or when memory is hot-added
  *
- * Ensures that the pages_{min,low,high} values for each zone are set correctly
- * with respect to min_free_kbytes.
+ * Ensures that the watermark[min,low,high] values for each zone are set
+ * correctly with respect to min_free_kbytes.
  */
-void setup_per_zone_pages_min(void)
+void setup_per_zone_wmarks(void)
 {
         unsigned long pages_min = min_free_kbytes >> (PAGE_SHIFT - 10);
         unsigned long lowmem_pages = 0;
@@ -4519,7 +4520,7 @@ static void __init setup_per_zone_inactive_ratio(void)
  * 8192MB:      11584k
  * 16384MB:     16384k
  */
-static int __init init_per_zone_pages_min(void)
+static int __init init_per_zone_wmark_min(void)
 {
         unsigned long lowmem_kbytes;
 
@@ -4530,12 +4531,12 @@ static int __init init_per_zone_pages_min(void)
                 min_free_kbytes = 128;
         if (min_free_kbytes > 65536)
                 min_free_kbytes = 65536;
-        setup_per_zone_pages_min();
+        setup_per_zone_wmarks();
         setup_per_zone_lowmem_reserve();
         setup_per_zone_inactive_ratio();
         return 0;
 }
-module_init(init_per_zone_pages_min)
+module_init(init_per_zone_wmark_min)
 
 /*
  * min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so 
@@ -4547,7 +4548,7 @@ int min_free_kbytes_sysctl_handler(ctl_table *table, int write,
 {
         proc_dointvec(table, write, file, buffer, length, ppos);
         if (write)
-                setup_per_zone_pages_min();
+                setup_per_zone_wmarks();
         return 0;
 }