diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-16 16:12:00 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-21 14:28:45 -0700 |
| commit | b10ff04dc0ec7cc7dbb0eac98c4202ec8d28c21b (patch) | |
| tree | 16e15a8401c4620bedbd2468da6e9ddd13c580be /mm/huge_memory.c | |
| parent | 6199277baf73a4877b42991b97c40e173e530756 (diff) | |
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>
Diffstat (limited to 'mm/huge_memory.c')
0 files changed, 0 insertions, 0 deletions