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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-06 14:59:00 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-01-18 17:12:57 -0800 |
| commit | 61d3d5108eb621d2a097c41f6cc83bf63b1b6c03 (patch) | |
| tree | 192725cf98474914ab2e36d5169a7b8fe1f44cbd /mm/z3fold.c | |
| parent | 02d65d6fb1aae151570c8bfd1bd77a8153d2e607 (diff) | |
| download | linux-stable-61d3d5108eb621d2a097c41f6cc83bf63b1b6c03.tar.gz linux-stable-61d3d5108eb621d2a097c41f6cc83bf63b1b6c03.tar.bz2 linux-stable-61d3d5108eb621d2a097c41f6cc83bf63b1b6c03.zip | |
mm: remove PageMovable export
The only in-kernel users that need PageMovable() to be exported are z3fold
and zsmalloc and they are only using it for dubious debugging
functionality. So remove those usages and the export so that no driver
code accidentally thinks that they are allowed to use this symbol.
Link: https://lkml.kernel.org/r/20230106135900.3763622-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/z3fold.c')
| -rw-r--r-- | mm/z3fold.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/z3fold.c b/mm/z3fold.c index a4de0c317ac7..0cef845d397b 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -1450,7 +1450,6 @@ static bool z3fold_page_isolate(struct page *page, isolate_mode_t mode) struct z3fold_header *zhdr; struct z3fold_pool *pool; - VM_BUG_ON_PAGE(!PageMovable(page), page); VM_BUG_ON_PAGE(PageIsolated(page), page); if (test_bit(PAGE_HEADLESS, &page->private)) @@ -1490,7 +1489,6 @@ static int z3fold_page_migrate(struct page *newpage, struct page *page, struct z3fold_header *zhdr, *new_zhdr; struct z3fold_pool *pool; - VM_BUG_ON_PAGE(!PageMovable(page), page); VM_BUG_ON_PAGE(!PageIsolated(page), page); VM_BUG_ON_PAGE(!test_bit(PAGE_CLAIMED, &page->private), page); VM_BUG_ON_PAGE(!PageLocked(newpage), newpage); |