diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2024-06-04 19:48:20 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-03 19:30:17 -0700 |
| commit | 2669324b81e5f67d409d3ad988da77c7c2a09045 (patch) | |
| tree | dfcaaac8976102e009b23034eaaeb2f6197a12a8 /include/linux/mm.h | |
| parent | aca08acce76f1f7de12dd22a2ab36411ce02074a (diff) | |
| download | lwn-2669324b81e5f67d409d3ad988da77c7c2a09045.tar.gz lwn-2669324b81e5f67d409d3ad988da77c7c2a09045.zip | |
mm: remove page_maybe_dma_pinned()
After the last user of page_maybe_dma_pinned() is converted to
folio_maybe_dma_pinned(), remove page_maybe_dma_pinned() and update the
document and comment.
[wangkefeng.wang@huawei.com: fix pin_user_pages.rst underlining]
Link: https://lkml.kernel.org/r/61b256c7-4989-44ec-83db-f34a1bd4be2d@huawei.com
Link: https://lkml.kernel.org/r/20240604114822.2089819-3-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 4f75fee497f1..cb4aa725252e 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1918,8 +1918,8 @@ static inline struct folio *pfn_folio(unsigned long pfn) * * For more information, please see Documentation/core-api/pin_user_pages.rst. * - * Return: True, if it is likely that the page has been "dma-pinned". - * False, if the page is definitely not dma-pinned. + * Return: True, if it is likely that the folio has been "dma-pinned". + * False, if the folio is definitely not dma-pinned. */ static inline bool folio_maybe_dma_pinned(struct folio *folio) { @@ -1938,11 +1938,6 @@ static inline bool folio_maybe_dma_pinned(struct folio *folio) GUP_PIN_COUNTING_BIAS; } -static inline bool page_maybe_dma_pinned(struct page *page) -{ - return folio_maybe_dma_pinned(page_folio(page)); -} - /* * This should most likely only be called during fork() to see whether we * should break the cow immediately for an anon page on the src mm. |