diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/sparse.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/mm/sparse.c b/mm/sparse.c index a83de2f72b30..c7be01906998 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -771,6 +771,27 @@ out: return ret; } +#ifdef CONFIG_MEMORY_FAILURE +static void clear_hwpoisoned_pages(struct page *memmap, int nr_pages) +{ + int i; + + if (!memmap) + return; + + for (i = 0; i < PAGES_PER_SECTION; i++) { + if (PageHWPoison(&memmap[i])) { + atomic_long_sub(1, &mce_bad_pages); + ClearPageHWPoison(&memmap[i]); + } + } +} +#else +static inline void clear_hwpoisoned_pages(struct page *memmap, int nr_pages) +{ +} +#endif + void sparse_remove_one_section(struct zone *zone, struct mem_section *ms) { struct page *memmap = NULL; @@ -784,6 +805,7 @@ void sparse_remove_one_section(struct zone *zone, struct mem_section *ms) ms->pageblock_flags = NULL; } + clear_hwpoisoned_pages(memmap, PAGES_PER_SECTION); free_section_usemap(memmap, usemap); } #endif |