diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-01-11 15:29:08 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-03 07:32:59 +0100 |
| commit | 1c5509be58f636afabbdaf66e7436da8ec0a1828 (patch) | |
| tree | 901a2ba6776842ce51b781b0538994b714b94ea8 /include | |
| parent | hugetlb: remove uses of compound_dtor and compound_nr (diff) | |
| download | linux-1c5509be58f636afabbdaf66e7436da8ec0a1828.tar.xz linux-1c5509be58f636afabbdaf66e7436da8ec0a1828.zip | |
mm: remove 'First tail page' members from struct page
All former users now use the folio equivalents, so remove them from the
definition of struct page.
Link: https://lkml.kernel.org/r/20230111142915.1001531-23-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mm_types.h | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index ffcf21fbaaf0..94b1707f5d33 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -140,16 +140,6 @@ struct page { }; struct { /* Tail pages of compound page */ unsigned long compound_head; /* Bit zero is set */ - - /* First tail page only */ - unsigned char compound_dtor; - unsigned char compound_order; - atomic_t compound_mapcount; - atomic_t subpages_mapcount; - atomic_t compound_pincount; -#ifdef CONFIG_64BIT - unsigned int compound_nr; /* 1 << compound_order */ -#endif }; struct { /* Second tail page of transparent huge page */ unsigned long _compound_pad_1; /* compound_head */ @@ -401,14 +391,6 @@ FOLIO_MATCH(memcg_data, memcg_data); offsetof(struct page, pg) + sizeof(struct page)) FOLIO_MATCH(flags, _flags_1); FOLIO_MATCH(compound_head, _head_1); -FOLIO_MATCH(compound_dtor, _folio_dtor); -FOLIO_MATCH(compound_order, _folio_order); -FOLIO_MATCH(compound_mapcount, _entire_mapcount); -FOLIO_MATCH(subpages_mapcount, _nr_pages_mapped); -FOLIO_MATCH(compound_pincount, _pincount); -#ifdef CONFIG_64BIT -FOLIO_MATCH(compound_nr, _folio_nr_pages); -#endif #undef FOLIO_MATCH #define FOLIO_MATCH(pg, fl) \ static_assert(offsetof(struct folio, fl) == \ |