From: Oscar Salvador <osalvador@suse.de>
To: akpm@linux-foundation.org
Cc: aris@ruivo.org, naoya.horiguchi@nec.com, mhocko@kernel.org,
tony.luck@intel.com, cai@lca.pw, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Oscar Salvador <osalvador@suse.de>
Subject: [PATCH v7 06/14] mm,hwpoison: kill put_hwpoison_page
Date: Tue, 22 Sep 2020 15:56:42 +0200 [thread overview]
Message-ID: <20200922135650.1634-7-osalvador@suse.de> (raw)
In-Reply-To: <20200922135650.1634-1-osalvador@suse.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@suse.de>
---
include/linux/mm.h | 1 -
mm/memory-failure.c | 30 +++++++++++++++---------------
2 files changed, 15 insertions(+), 16 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 20ac1653fb81..61a80384afd3 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3015,7 +3015,6 @@ 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 a/mm/memory-failure.c b/mm/memory-failure.c
index f8cff387451e..ed54c27ad668 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1143,7 +1143,7 @@ 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;
}
@@ -1335,7 +1335,7 @@ 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);
@@ -1388,14 +1388,14 @@ 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;
}
@@ -1629,9 +1629,9 @@ 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;
}
@@ -1692,7 +1692,7 @@ 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);
/*
@@ -1701,7 +1701,7 @@ 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;
@@ -1724,7 +1724,7 @@ 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;
}
@@ -1735,7 +1735,7 @@ 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;
@@ -1784,7 +1784,7 @@ 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;
}
@@ -1799,7 +1799,7 @@ 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();
@@ -1819,7 +1819,7 @@ 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);
/*
@@ -1863,7 +1863,7 @@ 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);
@@ -1936,7 +1936,7 @@ 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;
}
--
2.26.2
next prev parent reply other threads:[~2020-09-22 13:57 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-22 13:56 [PATCH v7 00/14] HWPOISON: soft offline rework Oscar Salvador
2020-09-22 13:56 ` [PATCH v7 01/14] mm,hwpoison: cleanup unused PageHuge() check Oscar Salvador
2020-09-22 13:56 ` [PATCH v7 02/14] mm, hwpoison: remove recalculating hpage Oscar Salvador
2020-09-22 13:56 ` [PATCH v7 03/14] mm,hwpoison-inject: don't pin for hwpoison_filter Oscar Salvador
2020-09-22 13:56 ` [PATCH v7 04/14] mm,hwpoison: unexport get_hwpoison_page and make it static Oscar Salvador
2020-09-23 7:24 ` HORIGUCHI NAOYA(堀口 直也)
2020-09-22 13:56 ` [PATCH v7 05/14] mm,hwpoison: refactor madvise_inject_error Oscar Salvador
2020-09-23 7:24 ` HORIGUCHI NAOYA(堀口 直也)
2020-09-22 13:56 ` Oscar Salvador [this message]
2020-09-23 7:24 ` [PATCH v7 06/14] mm,hwpoison: kill put_hwpoison_page HORIGUCHI NAOYA(堀口 直也)
2020-09-22 13:56 ` [PATCH v7 07/14] mm,hwpoison: unify THP handling for hard and soft offline Oscar Salvador
2020-09-23 7:26 ` HORIGUCHI NAOYA(堀口 直也)
2020-09-22 13:56 ` [PATCH v7 08/14] mm,hwpoison: rework soft offline for free pages Oscar Salvador
2020-09-23 7:27 ` HORIGUCHI NAOYA(堀口 直也)
2020-09-22 13:56 ` [PATCH v7 09/14] mm,hwpoison: rework soft offline for in-use pages Oscar Salvador
2020-09-23 7:30 ` HORIGUCHI NAOYA(堀口 直也)
2020-09-22 13:56 ` [PATCH v7 10/14] mm,hwpoison: refactor soft_offline_huge_page and __soft_offline_page Oscar Salvador
2020-09-23 7:35 ` HORIGUCHI NAOYA(堀口 直也)
2020-09-22 13:56 ` [PATCH v7 11/14] mm,hwpoison: return 0 if the page is already poisoned in soft-offline Oscar Salvador
2020-09-23 7:39 ` HORIGUCHI NAOYA(堀口 直也)
2020-09-22 13:56 ` [PATCH v7 12/14] mm,hwpoison: introduce MF_MSG_UNSPLIT_THP Oscar Salvador
2020-09-22 13:56 ` [PATCH v7 13/14] mm,hwpoison: double-check page count in __get_any_page() Oscar Salvador
2020-09-22 13:56 ` [PATCH v7 14/14] mm,hwpoison: Try to narrow window race for free pages Oscar Salvador
2020-09-23 7:40 ` HORIGUCHI NAOYA(堀口 直也)
2020-09-22 17:03 ` [PATCH v7 00/14] HWPOISON: soft offline rework Andrew Morton
2020-09-22 17:56 ` osalvador
2020-09-23 13:29 ` Aristeu Rozanski
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