diff options
| -rw-r--r-- | include/linux/swapops.h | 14 | ||||
| -rw-r--r-- | mm/memory-failure.c | 4 | ||||
| -rw-r--r-- | mm/migrate.c | 9 |
3 files changed, 19 insertions, 8 deletions
diff --git a/include/linux/swapops.h b/include/linux/swapops.h index ec04669..5c3a5f3 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -181,6 +181,11 @@ static inline int is_hwpoison_entry(swp_entry_t entry) return swp_type(entry) == SWP_HWPOISON; } +static inline bool test_set_page_hwpoison(struct page *page) +{ + return TestSetPageHWPoison(page); +} + static inline void num_poisoned_pages_inc(void) { atomic_long_inc(&num_poisoned_pages); @@ -211,6 +216,15 @@ static inline int is_hwpoison_entry(swp_entry_t swp) { return 0; } + +static inline bool test_set_page_hwpoison(struct page *page) +{ + return false; +} + +static inline void num_poisoned_pages_inc(void) +{ +} #endif #if defined(CONFIG_MEMORY_FAILURE) || defined(CONFIG_MIGRATION) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 393ea13..b0664c2 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1681,8 +1681,6 @@ static int __soft_offline_page(struct page *page, int flags) inc_zone_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page)); list_add(&page->lru, &pagelist); - if (!TestSetPageHWPoison(page)) - num_poisoned_pages_dec(); ret = migrate_pages(&pagelist, new_page, NULL, MPOL_MF_MOVE_ALL, MIGRATE_SYNC, MR_MEMORY_FAILURE); if (ret) { @@ -1697,8 +1695,6 @@ static int __soft_offline_page(struct page *page, int flags) pfn, ret, page->flags); if (ret > 0) ret = -EIO; - if (TestClearPageHWPoison(page)) - num_poisoned_pages_dec(); } } else { pr_info("soft offline: %#lx: isolation failed: %d, page count %d, type %lx\n", diff --git a/mm/migrate.c b/mm/migrate.c index 5c08cab..918defb 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -880,8 +880,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage, /* Establish migration ptes or remove ptes */ if (page_mapped(page)) { try_to_unmap(page, - TTU_MIGRATION|TTU_IGNORE_MLOCK|TTU_IGNORE_ACCESS| - TTU_IGNORE_HWPOISON); + TTU_MIGRATION|TTU_IGNORE_MLOCK|TTU_IGNORE_ACCESS); page_was_mapped = 1; } @@ -952,9 +951,11 @@ out: dec_zone_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page)); /* Soft-offlined page shouldn't go through lru cache list */ - if (reason == MR_MEMORY_FAILURE) + if (reason == MR_MEMORY_FAILURE) { put_page(page); - else + if (!test_set_page_hwpoison(page)) + num_poisoned_pages_inc(); + } else putback_lru_page(page); } |
