The patch titled
Subject: replace-free-hugepage-folios-after-migration-fix
has been added to the -mm mm-unstable branch. Its filename is
replace-free-hugepage-folios-after-migration-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/replace-free-hugepage-folios-after-migration-fix.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: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: replace-free-hugepage-folios-after-migration-fix
Date: Wed Dec 18 05:57:21 PM PST 2024
fix comments, 80-column tweak
Cc: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Muchun Song <muchun.song@xxxxxxxxx>
Cc: yangge <yangge1116@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 5 +++--
mm/page_alloc.c | 11 +++++------
2 files changed, 8 insertions(+), 8 deletions(-)
--- a/mm/hugetlb.c~replace-free-hugepage-folios-after-migration-fix
+++ a/mm/hugetlb.c
@@ -2978,7 +2978,7 @@ int isolate_or_dissolve_huge_page(struct
/*
* replace_free_hugepage_folios - Replace free hugepage folios in a given pfn
* range with new folios.
- * @stat_pfn: start pfn of the given pfn range
+ * @start_pfn: start pfn of the given pfn range
* @end_pfn: end pfn of the given pfn range
* Returns 0 on success, otherwise negated error.
*/
@@ -3000,7 +3000,8 @@ int replace_free_hugepage_folios(unsigne
}
if (!folio_ref_count(folio)) {
- ret = alloc_and_dissolve_hugetlb_folio(h, folio, &isolate_list);
+ ret = alloc_and_dissolve_hugetlb_folio(h, folio,
+ &isolate_list);
if (ret)
break;
--- a/mm/page_alloc.c~replace-free-hugepage-folios-after-migration-fix
+++ a/mm/page_alloc.c
@@ -6506,12 +6506,11 @@ int alloc_contig_range_noprof(unsigned l
goto done;
/*
- * When in-use hugetlb pages are migrated, they may simply be
- * released back into the free hugepage pool instead of being
- * returned to the buddy system. After the migration of in-use
- * huge pages is completed, we will invoke the
- * replace_free_hugepage_folios() function to ensure that
- * these hugepages are properly released to the buddy system.
+ * When in-use hugetlb pages are migrated, they may simply be released
+ * back into the free hugepage pool instead of being returned to the
+ * buddy system. After the migration of in-use huge pages is completed,
+ * we will invoke replace_free_hugepage_folios() to ensure that these
+ * hugepages are properly released to the buddy system.
*/
ret = replace_free_hugepage_folios(start, end);
if (ret)
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-vmscan-account-for-free-pages-to-prevent-infinite-loop-in-throttle_direct_reclaim-checkpatch-fixes.patch
mm-swap_cgroup-allocate-swap_cgroup-map-using-vcalloc-fix.patch
mm-page_alloc-add-some-detailed-comments-in-can_steal_fallback-fix.patch
mm-introduce-mmap_lock_speculate_try_beginretry-fix.patch
mm-damon-tests-vaddr-kunith-reduce-stack-consumption.patch
mm-damon-tests-vaddr-kunith-reduce-stack-consumption-fix.patch
mm-remove-an-avoidable-load-of-page-refcount-in-page_ref_add_unless-fix.patch
mm-fix-outdated-incorrect-code-comments-for-handle_mm_fault-fix.patch
mm-huge_memoryc-rename-shadowed-local.patch
replace-free-hugepage-folios-after-migration-fix.patch
xarray-port-tests-to-kunit-fix.patch
fault-inject-use-prandom-where-cryptographically-secure-randomness-is-not-needed-fix.patch
