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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2025-08-05 20:23:01 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-14 02:55:10 +0300 |
| commit | 88df6ab2f34b60837ebdab64b2514f356d5ebb65 (patch) | |
| tree | 3800a6f650de524a0cb96df3cfc6d744ae4c4509 /include | |
| parent | c995ac3aa3747ec2a0373e5f319a22e0cb31d613 (diff) | |
| download | linux-88df6ab2f34b60837ebdab64b2514f356d5ebb65.tar.xz | |
mm: add folio_is_pci_p2pdma()
Reimplement is_pci_p2pdma_page() in terms of folio_is_pci_p2pdma(). Moves
the page_folio() call from inside page_pgmap() to is_pci_p2pdma_page().
This removes a page_folio() call from try_grab_folio() which already has a
folio and can pass it in.
Link: https://lkml.kernel.org/r/20250805172307.1302730-12-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/memremap.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/memremap.h b/include/linux/memremap.h index 450d4bb6835c..aa1b6aa877a0 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -170,11 +170,17 @@ static inline bool is_device_private_page(const struct page *page) folio_is_device_private(page_folio(page)); } +static inline bool folio_is_pci_p2pdma(const struct folio *folio) +{ + return IS_ENABLED(CONFIG_PCI_P2PDMA) && + folio_is_zone_device(folio) && + folio->pgmap->type == MEMORY_DEVICE_PCI_P2PDMA; +} + static inline bool is_pci_p2pdma_page(const struct page *page) { return IS_ENABLED(CONFIG_PCI_P2PDMA) && - is_zone_device_page(page) && - page_pgmap(page)->type == MEMORY_DEVICE_PCI_P2PDMA; + folio_is_pci_p2pdma(page_folio(page)); } static inline bool folio_is_device_coherent(const struct folio *folio) |