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Revert "UPSTREAM: mm: page_alloc: fix up block types when merging compatible blocks"

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This reverts commit 4792c30baf.

Change-Id: I9cabe83a8dad03358d13a05016456435e8cbc72d
Bug: 420771453
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
This commit is contained in:
Kalesh Singh
2025-05-27 21:14:31 -07:00
parent 94e3afbb3d
commit bab99c1b7e
1 changed files with 4 additions and 11 deletions
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15
mm/page_alloc.c
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@@ -912,17 +912,10 @@ static inline void __free_one_page(struct page *page,
*/
int buddy_mt = get_pfnblock_migratetype(buddy, buddy_pfn);
if (migratetype != buddy_mt) {
if (!migratetype_is_mergeable(migratetype) ||
!migratetype_is_mergeable(buddy_mt))
goto done_merging;
/*
* Match buddy type. This ensures that
* an expand() down the line puts the
* sub-blocks on the right freelists.
*/
set_pageblock_migratetype(buddy, migratetype);
}
if (migratetype != buddy_mt
&& (!migratetype_is_mergeable(migratetype) ||
!migratetype_is_mergeable(buddy_mt)))
goto done_merging;
}
/*