Commit b194b8cd authored Sep 11, 2013 by Wanpeng Li Committed by Linus Torvalds Sep 11, 2013

mm/hwpoison: add '#' to madvise_hwpoison



Add '#' to madvise_hwpoison.

Before patch:

[   95.892866] Injecting memory failure for page 19d0 at b7786000
[   95.893151] MCE 0x19d0: non LRU page recovery: Ignored

After patch:

[   95.892866] Injecting memory failure for page 0x19d0 at 0xb7786000
[   95.893151] MCE 0x19d0: non LRU page recovery: Ignored

Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 86e05773

mm/madvise.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -353,14 +353,14 @@ static int madvise_hwpoison(int bhv, unsigned long start, unsigned long end)
		if (ret != 1)
		return ret;
		if (bhv == MADV_SOFT_OFFLINE) {
		printk(KERN_INFO "Soft offlining page %lx at %lx\n",
		pr_info("Soft offlining page %#lx at %#lx\n",
		page_to_pfn(p), start);
		ret = soft_offline_page(p, MF_COUNT_INCREASED);
		if (ret)
		break;
		continue;
		}
		printk(KERN_INFO "Injecting memory failure for page %lx at %lx\n",
		pr_info("Injecting memory failure for page %#lx at %#lx\n",
		page_to_pfn(p), start);
		/* Ignore return value for now */
		memory_failure(page_to_pfn(p), 0, MF_COUNT_INCREASED);

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