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authorXishi Qiu <qiuxishi@huawei.com>2013-02-22 16:34:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-23 17:50:15 -0800
commit293c07e31ab5a0b8df8c19b2a9e5c6fa30308849 (patch)
tree753affc0e179b7de49c03dc58d7d75f34ffe4e62 /mm/memory-failure.c
parentfa8dd8a92dccc1b29cefd7f51334285d6ed35281 (diff)
downloadlinux-293c07e31ab5a0b8df8c19b2a9e5c6fa30308849.tar.gz
memory-failure: use num_poisoned_pages instead of mce_bad_pages
Since MCE is an x86 concept, and this code is in mm/, it would be better to use the name num_poisoned_pages instead of mce_bad_pages. [akpm@linux-foundation.org: fix mm/sparse.c] Signed-off-by: Xishi Qiu <qiuxishi@huawei.com> Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Suggested-by: Borislav Petkov <bp@alien8.de> Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
-rw-r--r--mm/memory-failure.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index f4c9fa1149e..c95e19af510 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -61,7 +61,7 @@ int sysctl_memory_failure_early_kill __read_mostly = 0;
int sysctl_memory_failure_recovery __read_mostly = 1;
-atomic_long_t mce_bad_pages __read_mostly = ATOMIC_LONG_INIT(0);
+atomic_long_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0);
#if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE)
@@ -1040,7 +1040,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
}
nr_pages = 1 << compound_trans_order(hpage);
- atomic_long_add(nr_pages, &mce_bad_pages);
+ atomic_long_add(nr_pages, &num_poisoned_pages);
/*
* We need/can do nothing about count=0 pages.
@@ -1070,7 +1070,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
if (!PageHWPoison(hpage)
|| (hwpoison_filter(p) && TestClearPageHWPoison(p))
|| (p != hpage && TestSetPageHWPoison(hpage))) {
- atomic_long_sub(nr_pages, &mce_bad_pages);
+ atomic_long_sub(nr_pages, &num_poisoned_pages);
return 0;
}
set_page_hwpoison_huge_page(hpage);
@@ -1128,7 +1128,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
}
if (hwpoison_filter(p)) {
if (TestClearPageHWPoison(p))
- atomic_long_sub(nr_pages, &mce_bad_pages);
+ atomic_long_sub(nr_pages, &num_poisoned_pages);
unlock_page(hpage);
put_page(hpage);
return 0;
@@ -1323,7 +1323,7 @@ int unpoison_memory(unsigned long pfn)
return 0;
}
if (TestClearPageHWPoison(p))
- atomic_long_sub(nr_pages, &mce_bad_pages);
+ atomic_long_sub(nr_pages, &num_poisoned_pages);
pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn);
return 0;
}
@@ -1337,7 +1337,7 @@ int unpoison_memory(unsigned long pfn)
*/
if (TestClearPageHWPoison(page)) {
pr_info("MCE: Software-unpoisoned page %#lx\n", pfn);
- atomic_long_sub(nr_pages, &mce_bad_pages);
+ atomic_long_sub(nr_pages, &num_poisoned_pages);
freeit = 1;
if (PageHuge(page))
clear_page_hwpoison_huge_page(page);
@@ -1442,7 +1442,7 @@ static int soft_offline_huge_page(struct page *page, int flags)
}
done:
/* keep elevated page count for bad page */
- atomic_long_add(1 << compound_trans_order(hpage), &mce_bad_pages);
+ atomic_long_add(1 << compound_trans_order(hpage), &num_poisoned_pages);
set_page_hwpoison_huge_page(hpage);
dequeue_hwpoisoned_huge_page(hpage);
out:
@@ -1585,7 +1585,7 @@ int soft_offline_page(struct page *page, int flags)
done:
/* keep elevated page count for bad page */
- atomic_long_inc(&mce_bad_pages);
+ atomic_long_inc(&num_poisoned_pages);
SetPageHWPoison(page);
out:
return ret;