Messages in this thread Patch in this message | | | From | Wei Yang <> | Subject | [PATCH] mm: remove offset check on page->compound_head and folio->lru | Date | Thu, 6 Jan 2022 23:52:54 +0000 |
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FOLIO_MATCH() is used to make sure struct page and folio has identical layout for the first several words.
The comparison of offset between page->compound_head and folio->lru is more like an internal check in struct page.
This patch just removes it.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com> --- include/linux/mm_types.h | 1 - 1 file changed, 1 deletion(-)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 0a2de709fe40..087d6768bc78 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -289,7 +289,6 @@ static_assert(sizeof(struct page) == sizeof(struct folio)); FOLIO_MATCH(flags, flags); FOLIO_MATCH(lru, lru); FOLIO_MATCH(mapping, mapping); -FOLIO_MATCH(compound_head, lru); FOLIO_MATCH(index, index); FOLIO_MATCH(private, private); FOLIO_MATCH(_mapcount, _mapcount); -- 2.33.1
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