The patch titled
Subject: mm-fix-a-potential-infinite-loop-in-start_isolate_page_range-fix
has been added to the -mm mm-unstable branch. Its filename is
mm-fix-a-potential-infinite-loop-in-start_isolate_page_range-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-fix-a-potential-infinite-loop-in-start_isolate_page_range-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: mm-fix-a-potential-infinite-loop-in-start_isolate_page_range-fix
Date: Wed May 25 10:34:12 AM PDT 2022
suppressmin() warning
Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Eric Ren <renzhengeek@xxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Cc: Qian Cai <quic_qiancai@xxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/mm/page_alloc.c~mm-fix-a-potential-infinite-loop-in-start_isolate_page_range-fix
+++ a/mm/page_alloc.c
@@ -1123,7 +1123,9 @@ void split_free_page(struct page *free_p
pfn < free_page_pfn + (1UL << order);) {
int mt = get_pfnblock_migratetype(pfn_to_page(pfn), pfn);
- free_page_order = min(pfn ? __ffs(pfn) : order, __fls(split_pfn_offset));
+ free_page_order = min_t(int,
+ pfn ? __ffs(pfn) : order,
+ __fls(split_pfn_offset));
__free_one_page(pfn_to_page(pfn), pfn, zone, free_page_order,
mt, FPI_NONE);
pfn += 1UL << free_page_order;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-fix-a-potential-infinite-loop-in-start_isolate_page_range-fix.patch
mm-page_alloc-remotely-drain-per-cpu-lists-checkpatch-fixes.patch
kexec_file-drop-weak-attribute-from-arch_kexec_apply_relocations-fix.patch
linux-next-rejects.patch
linux-next-git-rejects.patch
mm-oom_killc-fix-vm_oom_kill_table-ifdeffery.patch
