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authorJiri Kosina <jkosina@suse.cz>2010-12-22 12:57:02 -0500
committerJiri Kosina <jkosina@suse.cz>2010-12-22 12:57:02 -0500
commit4b7bd364700d9ac8372eff48832062b936d0793b (patch)
tree0dbf78c95456a0b02d07fcd473281f04a87e266d /mm/page_alloc.c
parentc0d8768af260e2cbb4bf659ae6094a262c86b085 (diff)
parent90a8a73c06cc32b609a880d48449d7083327e11a (diff)
Merge branch 'master' into for-next
Conflicts: MAINTAINERS arch/arm/mach-omap2/pm24xx.c drivers/scsi/bfa/bfa_fcpim.c Needed to update to apply fixes for which the old branch was too outdated.
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f823ee192e94..826ba6922e84 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -104,19 +104,24 @@ gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK;
104 * only be modified with pm_mutex held, unless the suspend/hibernate code is 104 * only be modified with pm_mutex held, unless the suspend/hibernate code is
105 * guaranteed not to run in parallel with that modification). 105 * guaranteed not to run in parallel with that modification).
106 */ 106 */
107void set_gfp_allowed_mask(gfp_t mask) 107
108static gfp_t saved_gfp_mask;
109
110void pm_restore_gfp_mask(void)
108{ 111{
109 WARN_ON(!mutex_is_locked(&pm_mutex)); 112 WARN_ON(!mutex_is_locked(&pm_mutex));
110 gfp_allowed_mask = mask; 113 if (saved_gfp_mask) {
114 gfp_allowed_mask = saved_gfp_mask;
115 saved_gfp_mask = 0;
116 }
111} 117}
112 118
113gfp_t clear_gfp_allowed_mask(gfp_t mask) 119void pm_restrict_gfp_mask(void)
114{ 120{
115 gfp_t ret = gfp_allowed_mask;
116
117 WARN_ON(!mutex_is_locked(&pm_mutex)); 121 WARN_ON(!mutex_is_locked(&pm_mutex));
118 gfp_allowed_mask &= ~mask; 122 WARN_ON(saved_gfp_mask);
119 return ret; 123 saved_gfp_mask = gfp_allowed_mask;
124 gfp_allowed_mask &= ~GFP_IOFS;
120} 125}
121#endif /* CONFIG_PM_SLEEP */ 126#endif /* CONFIG_PM_SLEEP */
122 127
@@ -3008,14 +3013,6 @@ static __init_refok int __build_all_zonelists(void *data)
3008 build_zonelist_cache(pgdat); 3013 build_zonelist_cache(pgdat);
3009 } 3014 }
3010 3015
3011#ifdef CONFIG_MEMORY_HOTPLUG
3012 /* Setup real pagesets for the new zone */
3013 if (data) {
3014 struct zone *zone = data;
3015 setup_zone_pageset(zone);
3016 }
3017#endif
3018
3019 /* 3016 /*
3020 * Initialize the boot_pagesets that are going to be used 3017 * Initialize the boot_pagesets that are going to be used
3021 * for bootstrapping processors. The real pagesets for 3018 * for bootstrapping processors. The real pagesets for
@@ -3064,7 +3061,11 @@ void build_all_zonelists(void *data)
3064 } else { 3061 } else {
3065 /* we have to stop all cpus to guarantee there is no user 3062 /* we have to stop all cpus to guarantee there is no user
3066 of zonelist */ 3063 of zonelist */
3067 stop_machine(__build_all_zonelists, data, NULL); 3064#ifdef CONFIG_MEMORY_HOTPLUG
3065 if (data)
3066 setup_zone_pageset((struct zone *)data);
3067#endif
3068 stop_machine(__build_all_zonelists, NULL, NULL);
3068 /* cpuset refresh routine should be here */ 3069 /* cpuset refresh routine should be here */
3069 } 3070 }
3070 vm_total_pages = nr_free_pagecache_pages(); 3071 vm_total_pages = nr_free_pagecache_pages();