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Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c45
1 files changed, 13 insertions, 32 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index da264a040c55..b2371d745e00 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -28,7 +28,6 @@
#include <linux/mm_inline.h>
#include <linux/page_ext.h>
#include <linux/page_owner.h>
-#include <linux/migrate.h>
#include "internal.h"
@@ -355,8 +354,7 @@ void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
* CPU migrations and preemption potentially corrupts a counter so
* disable preemption.
*/
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_disable();
+ preempt_disable_nested();
x = delta + __this_cpu_read(*p);
@@ -368,8 +366,7 @@ void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
}
__this_cpu_write(*p, x);
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_enable();
+ preempt_enable_nested();
}
EXPORT_SYMBOL(__mod_zone_page_state);
@@ -393,8 +390,7 @@ void __mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item,
}
/* See __mod_node_page_state */
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_disable();
+ preempt_disable_nested();
x = delta + __this_cpu_read(*p);
@@ -406,8 +402,7 @@ void __mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item,
}
__this_cpu_write(*p, x);
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_enable();
+ preempt_enable_nested();
}
EXPORT_SYMBOL(__mod_node_page_state);
@@ -441,8 +436,7 @@ void __inc_zone_state(struct zone *zone, enum zone_stat_item item)
s8 v, t;
/* See __mod_node_page_state */
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_disable();
+ preempt_disable_nested();
v = __this_cpu_inc_return(*p);
t = __this_cpu_read(pcp->stat_threshold);
@@ -453,8 +447,7 @@ void __inc_zone_state(struct zone *zone, enum zone_stat_item item)
__this_cpu_write(*p, -overstep);
}
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_enable();
+ preempt_enable_nested();
}
void __inc_node_state(struct pglist_data *pgdat, enum node_stat_item item)
@@ -466,8 +459,7 @@ void __inc_node_state(struct pglist_data *pgdat, enum node_stat_item item)
VM_WARN_ON_ONCE(vmstat_item_in_bytes(item));
/* See __mod_node_page_state */
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_disable();
+ preempt_disable_nested();
v = __this_cpu_inc_return(*p);
t = __this_cpu_read(pcp->stat_threshold);
@@ -478,8 +470,7 @@ void __inc_node_state(struct pglist_data *pgdat, enum node_stat_item item)
__this_cpu_write(*p, -overstep);
}
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_enable();
+ preempt_enable_nested();
}
void __inc_zone_page_state(struct page *page, enum zone_stat_item item)
@@ -501,8 +492,7 @@ void __dec_zone_state(struct zone *zone, enum zone_stat_item item)
s8 v, t;
/* See __mod_node_page_state */
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_disable();
+ preempt_disable_nested();
v = __this_cpu_dec_return(*p);
t = __this_cpu_read(pcp->stat_threshold);
@@ -513,8 +503,7 @@ void __dec_zone_state(struct zone *zone, enum zone_stat_item item)
__this_cpu_write(*p, overstep);
}
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_enable();
+ preempt_enable_nested();
}
void __dec_node_state(struct pglist_data *pgdat, enum node_stat_item item)
@@ -526,8 +515,7 @@ void __dec_node_state(struct pglist_data *pgdat, enum node_stat_item item)
VM_WARN_ON_ONCE(vmstat_item_in_bytes(item));
/* See __mod_node_page_state */
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_disable();
+ preempt_disable_nested();
v = __this_cpu_dec_return(*p);
t = __this_cpu_read(pcp->stat_threshold);
@@ -538,8 +526,7 @@ void __dec_node_state(struct pglist_data *pgdat, enum node_stat_item item)
__this_cpu_write(*p, overstep);
}
- if (IS_ENABLED(CONFIG_PREEMPT_RT))
- preempt_enable();
+ preempt_enable_nested();
}
void __dec_zone_page_state(struct page *page, enum zone_stat_item item)
@@ -1253,6 +1240,7 @@ const char * const vmstat_text[] = {
#endif
#ifdef CONFIG_NUMA_BALANCING
"pgpromote_success",
+ "pgpromote_candidate",
#endif
/* enum writeback_stat_item counters */
@@ -1390,10 +1378,6 @@ const char * const vmstat_text[] = {
"nr_tlb_local_flush_one",
#endif /* CONFIG_DEBUG_TLBFLUSH */
-#ifdef CONFIG_DEBUG_VM_VMACACHE
- "vmacache_find_calls",
- "vmacache_find_hits",
-#endif
#ifdef CONFIG_SWAP
"swap_ra",
"swap_ra_hit",
@@ -2068,7 +2052,6 @@ static int vmstat_cpu_online(unsigned int cpu)
if (!node_state(cpu_to_node(cpu), N_CPU)) {
node_set_state(cpu_to_node(cpu), N_CPU);
- set_migration_target_nodes();
}
return 0;
@@ -2093,7 +2076,6 @@ static int vmstat_cpu_dead(unsigned int cpu)
return 0;
node_clear_state(node, N_CPU);
- set_migration_target_nodes();
return 0;
}
@@ -2126,7 +2108,6 @@ void __init init_mm_internals(void)
start_shepherd_timer();
#endif
- migrate_on_reclaim_init();
#ifdef CONFIG_PROC_FS
proc_create_seq("buddyinfo", 0444, NULL, &fragmentation_op);
proc_create_seq("pagetypeinfo", 0400, NULL, &pagetypeinfo_op);