Files
linux/include/linux
Matthew Wilcox (Oracle) b10ff04dc0 mm: add tail private fields to struct folio
Because THP_SWAP uses page->private for each page, we must not use the
space which overlaps that field for anything which would conflict with
that.  We avoid the conflict on 32-bit systems by disallowing THP_SWAP on
32-bit.

Link: https://lkml.kernel.org/r/20230816151201.3655946-13-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-21 14:28:45 -07:00
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