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| author | Wu Fengguang <fengguang.wu@intel.com> | 2009-10-07 16:32:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-08 07:36:39 -0700 |
| commit | 253fb02d62571e5455eedc9e39b9d660e86a40f0 (patch) | |
| tree | f52fc8f0d792148d43e4e38ed48dc3666ef50b75 /fs/proc | |
| parent | 7823da36ce8e42d66941887eb922768d259763f2 (diff) | |
| download | linux-253fb02d62571e5455eedc9e39b9d660e86a40f0.tar.gz linux-253fb02d62571e5455eedc9e39b9d660e86a40f0.tar.bz2 linux-253fb02d62571e5455eedc9e39b9d660e86a40f0.zip | |
pagemap: export KPF_HWPOISON
This flag indicates a hardware detected memory corruption on the page.
Any future access of the page data may bring down the machine.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.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 'fs/proc')
| -rw-r--r-- | fs/proc/page.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/proc/page.c b/fs/proc/page.c index 2281c2cbfe2b..5033ce0d254b 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -94,6 +94,7 @@ static const struct file_operations proc_kpagecount_operations = { #define KPF_COMPOUND_TAIL 16 #define KPF_HUGE 17 #define KPF_UNEVICTABLE 18 +#define KPF_HWPOISON 19 #define KPF_NOPAGE 20 #define KPF_KSM 21 @@ -180,6 +181,10 @@ static u64 get_uflags(struct page *page) u |= kpf_copy_bit(k, KPF_UNEVICTABLE, PG_unevictable); u |= kpf_copy_bit(k, KPF_MLOCKED, PG_mlocked); +#ifdef CONFIG_MEMORY_FAILURE + u |= kpf_copy_bit(k, KPF_HWPOISON, PG_hwpoison); +#endif + #ifdef CONFIG_IA64_UNCACHED_ALLOCATOR u |= kpf_copy_bit(k, KPF_UNCACHED, PG_uncached); #endif |