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authorMatthew Wilcox (Oracle) <willy@infradead.org>2023-08-16 16:11:56 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-08-21 14:28:44 -0700
commitde53c05f2ae3d47d30db58e9c4e54e3bbc868377 (patch)
tree6ffd037a95b93907bb1d8e01e3a2d995f545b061 /include/linux/mm.h
parent9c5ccf2db04b8d7c3df363fdd4856c2b79ab2c6a (diff)
downloadlinux-de53c05f2ae3d47d30db58e9c4e54e3bbc868377.tar.gz
mm: add large_rmappable page flag
Stored in the first tail page's flags, this flag replaces the destructor. That removes the last of the destructors, so remove all references to folio_dtor and compound_dtor. Link: https://lkml.kernel.org/r/20230816151201.3655946-9-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 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h13
1 files changed, 0 insertions, 13 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index e241f5ee4dc4c..63d5737819735 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1239,19 +1239,6 @@ void folio_copy(struct folio *dst, struct folio *src);
unsigned long nr_free_buffer_pages(void);
-enum compound_dtor_id {
- COMPOUND_PAGE_DTOR,
- TRANSHUGE_PAGE_DTOR,
- NR_COMPOUND_DTORS,
-};
-
-static inline void folio_set_compound_dtor(struct folio *folio,
- enum compound_dtor_id compound_dtor)
-{
- VM_BUG_ON_FOLIO(compound_dtor >= NR_COMPOUND_DTORS, folio);
- folio->_folio_dtor = compound_dtor;
-}
-
void destroy_large_folio(struct folio *folio);
/* Returns the number of bytes in this potentially compound page. */