The patch titled
Subject: mmhwpoisonhugetlbmemory_hotplug-hotremove-memory-section-with-hwpoisoned-hugepage-v8
has been added to the -mm mm-unstable branch. Its filename is
mmhwpoisonhugetlbmemory_hotplug-hotremove-memory-section-with-hwpoisoned-hugepage-v8.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mmhwpoisonhugetlbmemory_hotplug-hotremove-memory-section-with-hwpoisoned-hugepage-v8.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Naoya Horiguchi <naoya.horiguchi@xxxxxxxxx>
Subject: mmhwpoisonhugetlbmemory_hotplug-hotremove-memory-section-with-hwpoisoned-hugepage-v8
Date: Tue, 25 Oct 2022 14:35:59 +0900
remove TestClearHPageMigratable and reduce to test and clear separately
Link: https://lkml.kernel.org/r/20221025053559.GA2104800@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxxxx>
Reviewed-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Jane Chu <jane.chu@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: Yang Shi <shy828301@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/include/linux/hugetlb.h~mmhwpoisonhugetlbmemory_hotplug-hotremove-memory-section-with-hwpoisoned-hugepage-v8
+++ a/include/linux/hugetlb.h
@@ -623,10 +623,6 @@ void folio_clear_hugetlb_##flname(struct
} \
static inline void ClearHPage##uname(struct page *page) \
{ clear_bit(HPG_##flname, &(page->private)); }
-
-#define TESTCLEARHPAGEFLAG(uname, flname) \
-static inline int TestClearHPage##uname(struct page *page) \
- { return test_and_clear_bit(HPG_##flname, &(page->private)); }
#else
#define TESTHPAGEFLAG(uname, flname) \
static inline bool \
@@ -648,10 +644,6 @@ folio_clear_hugetlb_##flname(struct foli
{ } \
static inline void ClearHPage##uname(struct page *page) \
{ }
-
-#define TESTCLEARHPAGEFLAG(uname, flname) \
-static inline int TestClearHPage##uname(struct page *page) \
- { return 0; }
#endif
#define HPAGEFLAG(uname, flname) \
@@ -664,7 +656,6 @@ static inline int TestClearHPage##uname(
*/
HPAGEFLAG(RestoreReserve, restore_reserve)
HPAGEFLAG(Migratable, migratable)
- TESTCLEARHPAGEFLAG(Migratable, migratable)
HPAGEFLAG(Temporary, temporary)
HPAGEFLAG(Freed, freed)
HPAGEFLAG(VmemmapOptimized, vmemmap_optimized)
--- a/mm/memory-failure.c~mmhwpoisonhugetlbmemory_hotplug-hotremove-memory-section-with-hwpoisoned-hugepage-v8
+++ a/mm/memory-failure.c
@@ -1823,8 +1823,10 @@ int __get_huge_page_for_hwpoison(unsigne
* Clearing HPageMigratable for hwpoisoned hugepages to prevent them
* from being migrated by memory hotremove.
*/
- if (count_increased)
- *migratable_cleared = TestClearHPageMigratable(head);
+ if (count_increased && HPageMigratable(head)) {
+ ClearHPageMigratable(head);
+ *migratable_cleared = true;
+ }
return ret;
out:
_
Patches currently in -mm which might be from naoya.horiguchi@xxxxxxxxx are
mmhwpoisonhugetlbmemory_hotplug-hotremove-memory-section-with-hwpoisoned-hugepage-v8.patch
