Re: [PATCH v10 16/33] mm: Add folio_mapcount

[PATCH v10 00/33] Memory folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
[PATCH v10 01/33] mm: Introduce struct folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 01/33] mm: Introduce struct folio · Vlastimil Babka <hidden> · 2021-05-14
Re: [PATCH v10 01/33] mm: Introduce struct folio · Vlastimil Babka <hidden> · 2021-05-14
Re: [PATCH v10 01/33] mm: Introduce struct folio · Matthew Wilcox <willy@infradead.org> · 2021-05-14
Re: [PATCH v10 01/33] mm: Introduce struct folio · William Kucharski <hidden> · 2021-05-15
Re: [PATCH v10 01/33] mm: Introduce struct folio · Matthew Wilcox <willy@infradead.org> · 2021-05-15
Re: [PATCH v10 01/33] mm: Introduce struct folio · William Kucharski <hidden> · 2021-05-16
Re: [PATCH v10 01/33] mm: Introduce struct folio · Christoph Hellwig <hch@infradead.org> · 2021-05-27
[PATCH v10 02/33] mm: Add folio_pgdat and folio_zone · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 02/33] mm: Add folio_pgdat and folio_zone · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 03/33] mm/vmstat: Add functions to account folio statistics · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 03/33] mm/vmstat: Add functions to account folio statistics · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 04/33] mm/debug: Add VM_BUG_ON_FOLIO and VM_WARN_ON_ONCE_FOLIO · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 04/33] mm/debug: Add VM_BUG_ON_FOLIO and VM_WARN_ON_ONCE_FOLIO · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 05/33] mm: Add folio reference count functions · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 05/33] mm: Add folio reference count functions · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 06/33] mm: Add folio_put · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 06/33] mm: Add folio_put · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 07/33] mm: Add folio_get · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 07/33] mm: Add folio_get · Vlastimil Babka <hidden> · 2021-05-14
Re: [PATCH v10 07/33] mm: Add folio_get · Matthew Wilcox <willy@infradead.org> · 2021-05-14
Re: [PATCH v10 07/33] mm: Add folio_get · Vlastimil Babka <hidden> · 2021-05-14
Re: [PATCH v10 07/33] mm: Add folio_get · Christoph Hellwig <hch@infradead.org> · 2021-05-27
Re: [PATCH v10 07/33] mm: Add folio_get · Andrew Morton <akpm@linux-foundation.org> · 2021-05-27
[PATCH v10 08/33] mm: Add folio_try_get_rcu · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 08/33] mm: Add folio_try_get_rcu · Vlastimil Babka <hidden> · 2021-05-14
Re: [PATCH v10 08/33] mm: Add folio_try_get_rcu · Christoph Hellwig <hch@infradead.org> · 2021-05-27
Re: [PATCH v10 08/33] mm: Add folio_try_get_rcu · Matthew Wilcox <willy@infradead.org> · 2021-06-05
Re: [PATCH v10 08/33] mm: Add folio_try_get_rcu · Christoph Hellwig <hch@infradead.org> · 2021-06-06
[PATCH v10 09/33] mm: Add folio flag manipulation functions · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 09/33] mm: Add folio flag manipulation functions · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 10/33] mm: Add folio_young and folio_idle · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 10/33] mm: Add folio_young and folio_idle · Vlastimil Babka <hidden> · 2021-05-14
Re: [PATCH v10 10/33] mm: Add folio_young and folio_idle · Christoph Hellwig <hch@infradead.org> · 2021-05-27
[PATCH v10 11/33] mm: Handle per-folio private data · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 11/33] mm: Handle per-folio private data · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 12/33] mm/filemap: Add folio_index, folio_file_page and folio_contains · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 12/33] mm/filemap: Add folio_index, folio_file_page and folio_contains · Vlastimil Babka <hidden> · 2021-05-14
Re: [PATCH v10 12/33] mm/filemap: Add folio_index, folio_file_page and folio_contains · Matthew Wilcox <willy@infradead.org> · 2021-05-15
[PATCH v10 13/33] mm/filemap: Add folio_next_index · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 13/33] mm/filemap: Add folio_next_index · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 14/33] mm/filemap: Add folio_offset and folio_file_offset · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 14/33] mm/filemap: Add folio_offset and folio_file_offset · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 15/33] mm/util: Add folio_mapping and folio_file_mapping · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 15/33] mm/util: Add folio_mapping and folio_file_mapping · Vlastimil Babka <hidden> · 2021-05-14
[PATCH v10 16/33] mm: Add folio_mapcount · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 16/33] mm: Add folio_mapcount · Vlastimil Babka <hidden> · 2021-05-14
Re: [PATCH v10 16/33] mm: Add folio_mapcount · Matthew Wilcox <willy@infradead.org> · 2021-05-18
[PATCH v10 17/33] mm/memcg: Add folio wrappers for various functions · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 17/33] mm/memcg: Add folio wrappers for various functions · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 18/33] mm/filemap: Add folio_unlock · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 18/33] mm/filemap: Add folio_unlock · Vlastimil Babka <hidden> · 2021-05-18
Re: [PATCH v10 18/33] mm/filemap: Add folio_unlock · Matthew Wilcox <willy@infradead.org> · 2021-05-18
[PATCH v10 19/33] mm/filemap: Add folio_lock · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 19/33] mm/filemap: Add folio_lock · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 20/33] mm/filemap: Add folio_lock_killable · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 20/33] mm/filemap: Add folio_lock_killable · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 21/33] mm/filemap: Add __folio_lock_async · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 21/33] mm/filemap: Add __folio_lock_async · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 22/33] mm/filemap: Add __folio_lock_or_retry · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 22/33] mm/filemap: Add __folio_lock_or_retry · Vlastimil Babka <hidden> · 2021-05-18
Re: [PATCH v10 22/33] mm/filemap: Add __folio_lock_or_retry · Vlastimil Babka <hidden> · 2021-05-18
Re: [PATCH v10 22/33] mm/filemap: Add __folio_lock_or_retry · Matthew Wilcox <willy@infradead.org> · 2021-05-18
[PATCH v10 23/33] mm/filemap: Add folio_wait_locked · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 23/33] mm/filemap: Add folio_wait_locked · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 24/33] mm/swap: Add folio_rotate_reclaimable · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 24/33] mm/swap: Add folio_rotate_reclaimable · Vlastimil Babka <hidden> · 2021-05-18
Re: [PATCH v10 24/33] mm/swap: Add folio_rotate_reclaimable · Christoph Hellwig <hch@infradead.org> · 2021-05-27
[PATCH v10 25/33] mm/filemap: Add folio_end_writeback · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 25/33] mm/filemap: Add folio_end_writeback · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 26/33] mm/writeback: Add folio_wait_writeback · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 26/33] mm/writeback: Add folio_wait_writeback · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 27/33] mm/writeback: Add folio_wait_stable · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 27/33] mm/writeback: Add folio_wait_stable · Vlastimil Babka <hidden> · 2021-05-18
Re: [PATCH v10 27/33] mm/writeback: Add folio_wait_stable · Matthew Wilcox <willy@infradead.org> · 2021-05-18
[PATCH v10 28/33] mm/filemap: Add folio_wait_bit · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 28/33] mm/filemap: Add folio_wait_bit · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 29/33] mm/filemap: Add folio_wake_bit · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 29/33] mm/filemap: Add folio_wake_bit · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 30/33] mm/filemap: Convert page wait queues to be folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 30/33] mm/filemap: Convert page wait queues to be folios · Vlastimil Babka <hidden> · 2021-05-18
[PATCH v10 31/33] mm/filemap: Add folio private_2 functions · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 31/33] mm/filemap: Add folio private_2 functions · Vlastimil Babka <hidden> · 2021-05-18
Re: [PATCH v10 31/33] mm/filemap: Add folio private_2 functions · Christoph Hellwig <hch@infradead.org> · 2021-05-27
[PATCH v10 32/33] fs/netfs: Add folio fscache functions · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 32/33] fs/netfs: Add folio fscache functions · Vlastimil Babka <hidden> · 2021-05-18
Re: [PATCH v10 32/33] fs/netfs: Add folio fscache functions · Christoph Hellwig <hch@infradead.org> · 2021-05-27
[PATCH v10 33/33] mm: Add folio_mapped · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-05-11
Re: [PATCH v10 33/33] mm: Add folio_mapped · Vlastimil Babka <hidden> · 2021-05-18
Re: [PATCH v10 33/33] mm: Add folio_mapped · Christoph Hellwig <hch@infradead.org> · 2021-05-27
Re: [PATCH v10 00/33] Memory folios · Matthew Wilcox <willy@infradead.org> · 2021-05-13
Re: [PATCH v10 00/33] Memory folios · William Kucharski <hidden> · 2021-05-15
Re: [PATCH v10 00/33] Memory folios · Matteo Croce <hidden> · 2021-06-04
Re: [PATCH v10 00/33] Memory folios · Matthew Wilcox <willy@infradead.org> · 2021-06-04
Re: [PATCH v10 00/33] Memory folios · Matteo Croce <hidden> · 2021-06-08

From: Vlastimil Babka <hidden>
Date: 2021-05-14 17:39:35
Also in: linux-fsdevel, lkml

On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote:

This is the folio equivalent of page_mapcount().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jeff Layton <jlayton@kernel.org>


Acked-by: Vlastimil Babka <redacted>

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