From: Oscar Salvador <[email protected]> After commit 4e41a30c6d50 ("mm: hwpoison: adjust for new thp refcounting"), put_hwpoison_page got reduced to a put_page. Let us just use put_page instead.
Signed-off-by: Oscar Salvador <[email protected]> Signed-off-by: Naoya Horiguchi <[email protected]> --- include/linux/mm.h | 1 - mm/memory-failure.c | 30 +++++++++++++++--------------- 2 files changed, 15 insertions(+), 16 deletions(-) diff --git v5.8-rc1-mmots-2020-06-20-21-44/include/linux/mm.h v5.8-rc1-mmots-2020-06-20-21-44_patched/include/linux/mm.h index 050e9cffc2ea..c64ffec363b5 100644 --- v5.8-rc1-mmots-2020-06-20-21-44/include/linux/mm.h +++ v5.8-rc1-mmots-2020-06-20-21-44_patched/include/linux/mm.h @@ -2995,7 +2995,6 @@ extern int memory_failure(unsigned long pfn, int flags); extern void memory_failure_queue(unsigned long pfn, int flags); extern void memory_failure_queue_kick(int cpu); extern int unpoison_memory(unsigned long pfn); -#define put_hwpoison_page(page) put_page(page) extern int sysctl_memory_failure_early_kill; extern int sysctl_memory_failure_recovery; extern void shake_page(struct page *p, int access); diff --git v5.8-rc1-mmots-2020-06-20-21-44/mm/memory-failure.c v5.8-rc1-mmots-2020-06-20-21-44_patched/mm/memory-failure.c index 48feb45047f7..0b7d9769cf29 100644 --- v5.8-rc1-mmots-2020-06-20-21-44/mm/memory-failure.c +++ v5.8-rc1-mmots-2020-06-20-21-44_patched/mm/memory-failure.c @@ -1144,7 +1144,7 @@ static int memory_failure_hugetlb(unsigned long pfn, int flags) pr_err("Memory failure: %#lx: just unpoisoned\n", pfn); num_poisoned_pages_dec(); unlock_page(head); - put_hwpoison_page(head); + put_page(head); return 0; } @@ -1336,7 +1336,7 @@ int memory_failure(unsigned long pfn, int flags) pfn); if (TestClearPageHWPoison(p)) num_poisoned_pages_dec(); - put_hwpoison_page(p); + put_page(p); return -EBUSY; } unlock_page(p); @@ -1389,14 +1389,14 @@ int memory_failure(unsigned long pfn, int flags) pr_err("Memory failure: %#lx: just unpoisoned\n", pfn); num_poisoned_pages_dec(); unlock_page(p); - put_hwpoison_page(p); + put_page(p); return 0; } if (hwpoison_filter(p)) { if (TestClearPageHWPoison(p)) num_poisoned_pages_dec(); unlock_page(p); - put_hwpoison_page(p); + put_page(p); return 0; } @@ -1630,9 +1630,9 @@ int unpoison_memory(unsigned long pfn) } unlock_page(page); - put_hwpoison_page(page); + put_page(page); if (freeit && !(pfn == my_zero_pfn(0) && page_count(p) == 1)) - put_hwpoison_page(page); + put_page(page); return 0; } @@ -1690,7 +1690,7 @@ static int get_any_page(struct page *page, unsigned long pfn, int flags) /* * Try to free it. */ - put_hwpoison_page(page); + put_page(page); shake_page(page, 1); /* @@ -1699,7 +1699,7 @@ static int get_any_page(struct page *page, unsigned long pfn, int flags) ret = __get_any_page(page, pfn, 0); if (ret == 1 && !PageLRU(page)) { /* Drop page reference which is from __get_any_page() */ - put_hwpoison_page(page); + put_page(page); pr_info("soft_offline: %#lx: unknown non LRU page type %lx (%pGp)\n", pfn, page->flags, &page->flags); return -EIO; @@ -1722,7 +1722,7 @@ static int soft_offline_huge_page(struct page *page, int flags) lock_page(hpage); if (PageHWPoison(hpage)) { unlock_page(hpage); - put_hwpoison_page(hpage); + put_page(hpage); pr_info("soft offline: %#lx hugepage already poisoned\n", pfn); return -EBUSY; } @@ -1733,7 +1733,7 @@ static int soft_offline_huge_page(struct page *page, int flags) * get_any_page() and isolate_huge_page() takes a refcount each, * so need to drop one here. */ - put_hwpoison_page(hpage); + put_page(hpage); if (!ret) { pr_info("soft offline: %#lx hugepage failed to isolate\n", pfn); return -EBUSY; @@ -1782,7 +1782,7 @@ static int __soft_offline_page(struct page *page, int flags) wait_on_page_writeback(page); if (PageHWPoison(page)) { unlock_page(page); - put_hwpoison_page(page); + put_page(page); pr_info("soft offline: %#lx page already poisoned\n", pfn); return -EBUSY; } @@ -1797,7 +1797,7 @@ static int __soft_offline_page(struct page *page, int flags) * would need to fix isolation locking first. */ if (ret == 1) { - put_hwpoison_page(page); + put_page(page); pr_info("soft_offline: %#lx: invalidated\n", pfn); SetPageHWPoison(page); num_poisoned_pages_inc(); @@ -1817,7 +1817,7 @@ static int __soft_offline_page(struct page *page, int flags) * Drop page reference which is came from get_any_page() * successful isolate_lru_page() already took another one. */ - put_hwpoison_page(page); + put_page(page); if (!ret) { LIST_HEAD(pagelist); /* @@ -1861,7 +1861,7 @@ static int soft_offline_in_use_page(struct page *page, int flags) pr_info("soft offline: %#lx: non anonymous thp\n", page_to_pfn(page)); else pr_info("soft offline: %#lx: thp split failed\n", page_to_pfn(page)); - put_hwpoison_page(page); + put_page(page); return -EBUSY; } unlock_page(page); @@ -1934,7 +1934,7 @@ int soft_offline_page(unsigned long pfn, int flags) if (PageHWPoison(page)) { pr_info("soft offline: %#lx page already poisoned\n", pfn); if (flags & MF_COUNT_INCREASED) - put_hwpoison_page(page); + put_page(page); return -EBUSY; } -- 2.17.1
