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mm: completely remove dumping per-cpu lists from show_mem()

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Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Konstantin Khlebnikov 2015-04-14 15:45:32 -07:00 • committed by Linus Torvalds
parent d1bfcdb8ce
commit 761b06771a
2 changed files with 2 additions and 21 deletions
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1
include/linux/mm.h
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@ -1126,7 +1126,6 @@ extern void pagefault_out_of_memory(void);
* various contexts. * various contexts.
*/ */
#define SHOW_MEM_FILTER_NODES (0x0001u) /* disallowed nodes */ #define SHOW_MEM_FILTER_NODES (0x0001u) /* disallowed nodes */
#define SHOW_MEM_PERCPU_LISTS (0x0002u) /* per-zone per-cpu */
extern void show_free_areas(unsigned int flags); extern void show_free_areas(unsigned int flags);
extern bool skip_free_areas_node(unsigned int flags, int nid); extern bool skip_free_areas_node(unsigned int flags, int nid);

22
mm/page_alloc.c
View file

@ -3255,7 +3255,6 @@ static void show_migration_types(unsigned char type)
* Bits in @filter: * Bits in @filter:
* SHOW_MEM_FILTER_NODES: suppress nodes that are not allowed by current's * SHOW_MEM_FILTER_NODES: suppress nodes that are not allowed by current's
* cpuset. * cpuset.
* SHOW_MEM_PERCPU_LISTS: display full per-node per-cpu pcp lists
*/ */
void show_free_areas(unsigned int filter) void show_free_areas(unsigned int filter)
{ {
@ -3267,25 +3266,8 @@ void show_free_areas(unsigned int filter)
if (skip_free_areas_node(filter, zone_to_nid(zone))) if (skip_free_areas_node(filter, zone_to_nid(zone)))
continue; continue;
if (filter & SHOW_MEM_PERCPU_LISTS) { for_each_online_cpu(cpu)
show_node(zone); free_pcp += per_cpu_ptr(zone->pageset, cpu)->pcp.count;
printk("%s per-cpu:\n", zone->name);
}
for_each_online_cpu(cpu) {
struct per_cpu_pageset *pageset;
pageset = per_cpu_ptr(zone->pageset, cpu);
free_pcp += pageset->pcp.count;
if (!(filter & SHOW_MEM_PERCPU_LISTS))
continue;
printk("CPU %4d: hi:%5d, btch:%4d usd:%4d\n",
cpu, pageset->pcp.high,
pageset->pcp.batch, pageset->pcp.count);
}
} }
printk("active_anon:%lu inactive_anon:%lu isolated_anon:%lu\n" printk("active_anon:%lu inactive_anon:%lu isolated_anon:%lu\n"