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| author | Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> | 2010-05-28 09:29:20 +0900 |
|---|---|---|
| committer | Andi Kleen <ak@linux.intel.com> | 2010-08-11 09:22:46 +0200 |
| commit | 93f70f900da36fbc19c13c2aa04b2e468c8d00fb (patch) | |
| tree | 7868f891bca0ed18c9806771a68feac0b4010517 /include | |
| parent | c9fbdd5f131440981b124883656ea21fb12cde4a (diff) | |
| download | linux-93f70f900da36fbc19c13c2aa04b2e468c8d00fb.tar.gz linux-93f70f900da36fbc19c13c2aa04b2e468c8d00fb.tar.bz2 linux-93f70f900da36fbc19c13c2aa04b2e468c8d00fb.zip | |
HWPOISON, hugetlb: isolate corrupted hugepage
If error hugepage is not in-use, we can fully recovery from error
by dequeuing it from freelist, so return RECOVERY.
Otherwise whether or not we can recovery depends on user processes,
so return DELAYED.
Dependency:
"HWPOISON, hugetlb: enable error handling path for hugepage"
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/hugetlb.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index e688fd89354d..f479700df61b 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -43,6 +43,7 @@ int hugetlb_reserve_pages(struct inode *inode, long from, long to, struct vm_area_struct *vma, int acctflags); void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed); +void __isolate_hwpoisoned_huge_page(struct page *page); extern unsigned long hugepages_treat_as_movable; extern const unsigned long hugetlb_zero, hugetlb_infinity; @@ -100,6 +101,7 @@ static inline void hugetlb_report_meminfo(struct seq_file *m) #define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) ({BUG(); 0; }) #define hugetlb_fault(mm, vma, addr, flags) ({ BUG(); 0; }) #define huge_pte_offset(mm, address) 0 +#define __isolate_hwpoisoned_huge_page(page) 0 #define hugetlb_change_protection(vma, address, end, newprot) |