From 2669324b81e5f67d409d3ad988da77c7c2a09045 Mon Sep 17 00:00:00 2001 From: Kefeng Wang Date: Tue, 4 Jun 2024 19:48:20 +0800 Subject: 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 Acked-by: David Hildenbrand Cc: Daniel Vetter Cc: Helge Deller Cc: Jonathan Corbet Cc: Matthew Wilcox (Oracle) Signed-off-by: Andrew Morton --- include/linux/mm.h | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'include/linux') 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. -- cgit v1.2.3