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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2025-08-05 18:22:58 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-13 16:55:09 -0700 |
| commit | 7cfe9cafb6adebc13a246bebafcd69cd37add4e6 (patch) | |
| tree | 4ac107ad1a8fbc28d825bdc819ff17a186767608 /include | |
| parent | mm: introduce memdesc_is_zone_device() (diff) | |
| download | linux-7cfe9cafb6adebc13a246bebafcd69cd37add4e6.tar.gz linux-7cfe9cafb6adebc13a246bebafcd69cd37add4e6.zip | |
mm: reimplement folio_is_device_private()
For callers of folio_is_device_private(), we save a folio->page->folio
conversion. Callers of is_device_private_page() simply move the
conversion of page->folio from the implementation of page_pgmap() to
is_device_private_page().
Link: https://lkml.kernel.org/r/20250805172307.1302730-9-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/memremap.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/memremap.h b/include/linux/memremap.h index 4aa151914eab..5d18cb7a70e5 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -157,16 +157,17 @@ static inline unsigned long pgmap_vmemmap_nr(struct dev_pagemap *pgmap) return 1 << pgmap->vmemmap_shift; } -static inline bool is_device_private_page(const struct page *page) +static inline bool folio_is_device_private(const struct folio *folio) { return IS_ENABLED(CONFIG_DEVICE_PRIVATE) && - is_zone_device_page(page) && - page_pgmap(page)->type == MEMORY_DEVICE_PRIVATE; + folio_is_zone_device(folio) && + folio->pgmap->type == MEMORY_DEVICE_PRIVATE; } -static inline bool folio_is_device_private(const struct folio *folio) +static inline bool is_device_private_page(const struct page *page) { - return is_device_private_page(&folio->page); + return IS_ENABLED(CONFIG_DEVICE_PRIVATE) && + folio_is_device_private(page_folio(page)); } static inline bool is_pci_p2pdma_page(const struct page *page) |