X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=mm%2Fmemory_hotplug.c;h=e4412a676c88494ec313ebb3e974d2d71ee5c525;hb=005411c3e9147bc3b78215390e847d688dbbc163;hp=b5b2b15085a85383b1d8d14d8eff9ed2bf397611;hpb=f481891fdc49d3d1b8a9674a1825d183069a805f;p=safe%2Fjmp%2Flinux-2.6

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index b5b2b15..e4412a6 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -189,7 +189,7 @@ static void grow_pgdat_span(struct pglist_data *pgdat, unsigned long start_pfn,
 					pgdat->node_start_pfn;
 }
 
-static int __add_zone(struct zone *zone, unsigned long phys_start_pfn)
+static int __meminit __add_zone(struct zone *zone, unsigned long phys_start_pfn)
 {
 	struct pglist_data *pgdat = zone->zone_pgdat;
 	int nr_pages = PAGES_PER_SECTION;
@@ -216,7 +216,8 @@ static int __add_zone(struct zone *zone, unsigned long phys_start_pfn)
 	return 0;
 }
 
-static int __add_section(struct zone *zone, unsigned long phys_start_pfn)
+static int __meminit __add_section(int nid, struct zone *zone,
+					unsigned long phys_start_pfn)
 {
 	int nr_pages = PAGES_PER_SECTION;
 	int ret;
@@ -234,7 +235,7 @@ static int __add_section(struct zone *zone, unsigned long phys_start_pfn)
 	if (ret < 0)
 		return ret;
 
-	return register_new_memory(__pfn_to_section(phys_start_pfn));
+	return register_new_memory(nid, __pfn_to_section(phys_start_pfn));
 }
 
 #ifdef CONFIG_SPARSEMEM_VMEMMAP
@@ -273,8 +274,8 @@ static int __remove_section(struct zone *zone, struct mem_section *ms)
  * call this function after deciding the zone to which to
  * add the new pages.
  */
-int __add_pages(struct zone *zone, unsigned long phys_start_pfn,
-		 unsigned long nr_pages)
+int __ref __add_pages(int nid, struct zone *zone, unsigned long phys_start_pfn,
+			unsigned long nr_pages)
 {
 	unsigned long i;
 	int err = 0;
@@ -284,7 +285,7 @@ int __add_pages(struct zone *zone, unsigned long phys_start_pfn,
 	end_sec = pfn_to_section_nr(phys_start_pfn + nr_pages - 1);
 
 	for (i = start_sec; i <= end_sec; i++) {
-		err = __add_section(zone, i << PFN_SECTION_SHIFT);
+		err = __add_section(nid, zone, i << PFN_SECTION_SHIFT);
 
 		/*
 		 * EEXIST is finally dealt with by ioresource collision
@@ -421,7 +422,8 @@ 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();
+	calculate_zone_inactive_ratio(zone);
 	if (onlined_pages) {
 		kswapd_run(zone_to_nid(zone));
 		node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
@@ -470,7 +472,8 @@ static void rollback_node_hotadd(int nid, pg_data_t *pgdat)
 }
 
 
-int add_memory(int nid, u64 start, u64 size)
+/* we are OK calling __meminit stuff here - we have CONFIG_MEMORY_HOTPLUG */
+int __ref add_memory(int nid, u64 start, u64 size)
 {
 	pg_data_t *pgdat = NULL;
 	int new_pgdat = 0;
@@ -625,15 +628,12 @@ int scan_lru_pages(unsigned long start, unsigned long end)
 }
 
 static struct page *
-hotremove_migrate_alloc(struct page *page,
-			unsigned long private,
-			int **x)
+hotremove_migrate_alloc(struct page *page, unsigned long private, int **x)
 {
-	/* This should be improoooooved!! */
-	return alloc_page(GFP_HIGHUSER_PAGECACHE);
+	/* This should be improooooved!! */
+	return alloc_page(GFP_HIGHUSER_MOVABLE);
 }
 
-
 #define NR_OFFLINE_AT_ONCE_PAGES	(256)
 static int
 do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
@@ -833,6 +833,9 @@ repeat:
 	totalram_pages -= offlined_pages;
 	num_physpages -= offlined_pages;
 
+	setup_per_zone_wmarks();
+	calculate_zone_inactive_ratio(zone);
+
 	vm_total_pages = nr_free_pagecache_pages();
 	writeback_set_ratelimit();