Merge "ksm: Add showmem notifier" (b5260478) · Commits · e / devices / android_kernel_sony_msm8994

mm/ksm.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,7 @@
		#include <linux/freezer.h>
		#include <linux/oom.h>
		#include <linux/numa.h>
		#include <linux/show_mem_notifier.h>

		#include <asm/tlbflush.h>
		#include "internal.h"
		@@ -250,6 +251,20 @@ static DEFINE_SPINLOCK(ksm_mmlist_lock);
		sizeof(struct __struct), __alignof__(struct __struct),\
		(__flags), NULL)

		static int ksm_show_mem_notifier(struct notifier_block *nb,
		unsigned long action,
		void *data)
		{
		pr_info("ksm_pages_sharing: %lu\n", ksm_pages_sharing);
		pr_info("ksm_pages_shared: %lu\n", ksm_pages_shared);

		return 0;
		}

		static struct notifier_block ksm_show_mem_notifier_block = {
		.notifier_call = ksm_show_mem_notifier,
		};

		static int __init ksm_slab_init(void)
		{
		rmap_item_cache = KSM_KMEM_CACHE(rmap_item, 0);
		@@ -2494,6 +2509,8 @@ static int __init ksm_init(void)
		/* There is no significance to this priority 100 */
		hotplug_memory_notifier(ksm_memory_callback, 100);
		#endif

		show_mem_notifier_register(&ksm_show_mem_notifier_block);
		return 0;

		out_free: