The patch titled
Subject: mm-compaction-update-the-cc-nr_migratepages-when-allocating-or-freeing-the-freepages-fix
has been added to the -mm mm-unstable branch. Its filename is
mm-compaction-update-the-cc-nr_migratepages-when-allocating-or-freeing-the-freepages-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-compaction-update-the-cc-nr_migratepages-when-allocating-or-freeing-the-freepages-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-compaction-update-the-cc-nr_migratepages-when-allocating-or-freeing-the-freepages-fix
Date: Fri Feb 9 03:51:53 PM PST 2024
fix it for the dropping of "mm/compaction: optimize >0 order folio
compaction with free page split"
Cc: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/compaction.c~mm-compaction-update-the-cc-nr_migratepages-when-allocating-or-freeing-the-freepages-fix
+++ a/mm/compaction.c
@@ -1798,7 +1798,7 @@ static struct folio *compaction_alloc(st
dst = list_entry(cc->freepages.next, struct folio, lru);
list_del(&dst->lru);
cc->nr_freepages--;
- cc->nr_migratepages -= 1 << order;
+ cc->nr_migratepages -= 1 << folio_order(src);
return dst;
}
@@ -1814,7 +1814,7 @@ static void compaction_free(struct folio
list_add(&dst->lru, &cc->freepages);
cc->nr_freepages++;
- cc->nr_migratepages += 1 << order;
+ cc->nr_migratepages += 1 << folio_order(dst);
}
/* possible outcome of isolate_migratepages */
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
kexec-split-crashkernel-reservation-code-out-from-crash_corec-fix.patch
mm-memory_hotplug-export-mhp_supports_memmap_on_memory-fix.patch
mm-damon-dbgfs-make-debugfs-interface-deprecation-message-a-macro-fix.patch
mm-ptdump-have-ptdump_check_wx-return-bool-fix.patch
mm-compaction-update-the-cc-nr_migratepages-when-allocating-or-freeing-the-freepages-fix.patch
kprobes-use-synchronize_rcu_tasks_rude-in-kprobe_optimizer-fix.patch
panic-add-option-to-dump-blocked-tasks-in-panic_print-fix.patch
