nommu: Fix up vmalloc_node() symbol export regression.

[pandora-kernel.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 07a6544..ff7e158 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -104,19 +104,24 @@ gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK;
  * only be modified with pm_mutex held, unless the suspend/hibernate code is
  * guaranteed not to run in parallel with that modification).
  */
-void set_gfp_allowed_mask(gfp_t mask)
+
+static gfp_t saved_gfp_mask;
+
+void pm_restore_gfp_mask(void)
 {
        WARN_ON(!mutex_is_locked(&pm_mutex));
-       gfp_allowed_mask = mask;
+       if (saved_gfp_mask) {
+               gfp_allowed_mask = saved_gfp_mask;
+               saved_gfp_mask = 0;
+       }
 }
 
-gfp_t clear_gfp_allowed_mask(gfp_t mask)
+void pm_restrict_gfp_mask(void)
 {
-       gfp_t ret = gfp_allowed_mask;
-
        WARN_ON(!mutex_is_locked(&pm_mutex));
-       gfp_allowed_mask &= ~mask;
-       return ret;
+       WARN_ON(saved_gfp_mask);
+       saved_gfp_mask = gfp_allowed_mask;
+       gfp_allowed_mask &= ~GFP_IOFS;
 }
 #endif /* CONFIG_PM_SLEEP */
 
@@ -3008,14 +3013,6 @@ static __init_refok int __build_all_zonelists(void *data)
                build_zonelist_cache(pgdat);
        }
 
-#ifdef CONFIG_MEMORY_HOTPLUG
-       /* Setup real pagesets for the new zone */
-       if (data) {
-               struct zone *zone = data;
-               setup_zone_pageset(zone);
-       }
-#endif
-
        /*
         * Initialize the boot_pagesets that are going to be used
         * for bootstrapping processors. The real pagesets for
@@ -3064,7 +3061,11 @@ void build_all_zonelists(void *data)
        } else {
                /* we have to stop all cpus to guarantee there is no user
                   of zonelist */
-               stop_machine(__build_all_zonelists, data, NULL);
+#ifdef CONFIG_MEMORY_HOTPLUG
+               if (data)
+                       setup_zone_pageset((struct zone *)data);
+#endif
+               stop_machine(__build_all_zonelists, NULL, NULL);
                /* cpuset refresh routine should be here */
        }
        vm_total_pages = nr_free_pagecache_pages();