diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-01-11 14:28:47 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 22:32:54 -0800 |
| commit | 94688e8eb453e616098cb930e5f6fed4a6ea2dfa (patch) | |
| tree | 295626ed36016d5845646287936eaee131973348 /mm/gup.c | |
| parent | 7d4a8be0c4b2b7ffb367929d2b352651f083806b (diff) | |
mm: remove folio_pincount_ptr() and head_compound_pincount()
We can use folio->_pincount directly, since all users are guarded by tests
of compound/large.
Link: https://lkml.kernel.org/r/20230111142915.1001531-2-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/gup.c')
| -rw-r--r-- | mm/gup.c | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -111,7 +111,7 @@ retry: * FOLL_GET: folio's refcount will be incremented by @refs. * * FOLL_PIN on large folios: folio's refcount will be incremented by - * @refs, and its compound_pincount will be incremented by @refs. + * @refs, and its pincount will be incremented by @refs. * * FOLL_PIN on single-page folios: folio's refcount will be incremented by * @refs * GUP_PIN_COUNTING_BIAS. @@ -157,7 +157,7 @@ struct folio *try_grab_folio(struct page *page, int refs, unsigned int flags) * try_get_folio() is left intact. */ if (folio_test_large(folio)) - atomic_add(refs, folio_pincount_ptr(folio)); + atomic_add(refs, &folio->_pincount); else folio_ref_add(folio, refs * (GUP_PIN_COUNTING_BIAS - 1)); @@ -182,7 +182,7 @@ static void gup_put_folio(struct folio *folio, int refs, unsigned int flags) if (flags & FOLL_PIN) { node_stat_mod_folio(folio, NR_FOLL_PIN_RELEASED, refs); if (folio_test_large(folio)) - atomic_sub(refs, folio_pincount_ptr(folio)); + atomic_sub(refs, &folio->_pincount); else refs *= GUP_PIN_COUNTING_BIAS; } @@ -232,7 +232,7 @@ int __must_check try_grab_page(struct page *page, unsigned int flags) */ if (folio_test_large(folio)) { folio_ref_add(folio, 1); - atomic_add(1, folio_pincount_ptr(folio)); + atomic_add(1, &folio->_pincount); } else { folio_ref_add(folio, GUP_PIN_COUNTING_BIAS); } |