diff options
| author | Xishi Qiu <qiuxishi@huawei.com> | 2013-02-22 16:34:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-23 17:50:15 -0800 |
| commit | 293c07e31ab5a0b8df8c19b2a9e5c6fa30308849 (patch) | |
| tree | 753affc0e179b7de49c03dc58d7d75f34ffe4e62 /mm | |
| parent | fa8dd8a92dccc1b29cefd7f51334285d6ed35281 (diff) | |
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')
| -rw-r--r-- | mm/memory-failure.c | 16 | ||||
| -rw-r--r-- | mm/sparse.c | 2 |
2 files changed, 9 insertions, 9 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; diff --git a/mm/sparse.c b/mm/sparse.c index cff97960f1d..7ca6dc84794 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -783,7 +783,7 @@ static void clear_hwpoisoned_pages(struct page *memmap, int nr_pages) for (i = 0; i < PAGES_PER_SECTION; i++) { if (PageHWPoison(&memmap[i])) { - atomic_long_sub(1, &mce_bad_pages); + atomic_long_sub(1, &num_poisoned_pages); ClearPageHWPoison(&memmap[i]); } } |