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Message-Id: <20200806184923.7007-6-nao.horiguchi@gmail.com>
Date: Thu, 6 Aug 2020 18:49:16 +0000
From: nao.horiguchi@...il.com
To: linux-mm@...ck.org
Cc: mhocko@...nel.org, akpm@...ux-foundation.org,
mike.kravetz@...cle.com, osalvador@...e.de, tony.luck@...el.com,
david@...hat.com, aneesh.kumar@...ux.vnet.ibm.com,
zeil@...dex-team.ru, cai@....pw, naoya.horiguchi@....com,
linux-kernel@...r.kernel.org
Subject: [PATCH v6 05/12] mm,hwpoison: Kill put_hwpoison_page
From: Oscar Salvador <osalvador@...e.de>
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 <osalvador@...e.de>
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@....com>
---
include/linux/mm.h | 1 -
mm/memory-failure.c | 30 +++++++++++++++---------------
2 files changed, 15 insertions(+), 16 deletions(-)
diff --git v5.8-rc7-mmotm-2020-07-27-18-18/include/linux/mm.h v5.8-rc7-mmotm-2020-07-27-18-18_patched/include/linux/mm.h
index 8f742373a46a..371970dfffc4 100644
--- v5.8-rc7-mmotm-2020-07-27-18-18/include/linux/mm.h
+++ v5.8-rc7-mmotm-2020-07-27-18-18_patched/include/linux/mm.h
@@ -2985,7 +2985,6 @@ 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-rc7-mmotm-2020-07-27-18-18/mm/memory-failure.c v5.8-rc7-mmotm-2020-07-27-18-18_patched/mm/memory-failure.c
index 405c9bef6ffb..6853bf3a253d 100644
--- v5.8-rc7-mmotm-2020-07-27-18-18/mm/memory-failure.c
+++ v5.8-rc7-mmotm-2020-07-27-18-18_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;
}
@@ -1683,7 +1683,7 @@ 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);
/*
@@ -1692,7 +1692,7 @@ 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;
@@ -1715,7 +1715,7 @@ 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;
}
@@ -1726,7 +1726,7 @@ 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;
@@ -1779,7 +1779,7 @@ 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;
}
@@ -1794,7 +1794,7 @@ 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();
@@ -1814,7 +1814,7 @@ 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);
/*
@@ -1858,7 +1858,7 @@ 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);
@@ -1931,7 +1931,7 @@ 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
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