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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-06 14:59:00 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-01-19 02:12:57 +0100
commit61d3d5108eb621d2a097c41f6cc83bf63b1b6c03 (patch)
tree192725cf98474914ab2e36d5169a7b8fe1f44cbd /mm/z3fold.c
parentmm: introduce folio_is_pfmemalloc (diff)
downloadlinux-61d3d5108eb621d2a097c41f6cc83bf63b1b6c03.tar.xz
linux-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.c2
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);