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Commit 761b0677 authored by Konstantin Khlebnikov's avatar Konstantin Khlebnikov Committed by Linus Torvalds
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mm: completely remove dumping per-cpu lists from show_mem()



It seems nobody needs this.

Signed-off-by: default avatarKonstantin Khlebnikov <koct9i@gmail.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d1bfcdb8
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+0 −1
Original line number Diff line number Diff line
@@ -1126,7 +1126,6 @@ extern void pagefault_out_of_memory(void);
 * various contexts.
 */
#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 bool skip_free_areas_node(unsigned int flags, int nid);
+2 −20
Original line number Diff line number Diff line
@@ -3255,7 +3255,6 @@ static void show_migration_types(unsigned char type)
 * Bits in @filter:
 * SHOW_MEM_FILTER_NODES: suppress nodes that are not allowed by current's
 *   cpuset.
 * SHOW_MEM_PERCPU_LISTS: display full per-node per-cpu pcp lists
 */
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)))
			continue;

		if (filter & SHOW_MEM_PERCPU_LISTS) {
			show_node(zone);
			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);
		}
		for_each_online_cpu(cpu)
			free_pcp += per_cpu_ptr(zone->pageset, cpu)->pcp.count;
	}

	printk("active_anon:%lu inactive_anon:%lu isolated_anon:%lu\n"