diff options
| author | Hyeonggon Yoo <42.hyeyoo@gmail.com> | 2024-12-17 00:04:35 +0900 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-01-25 20:22:33 -0800 |
| commit | b5c1d8b510ad18eace94562e1d2ad419cb6a6147 (patch) | |
| tree | b12cd8f943b37a683a2a939d58f7c090282c0f7c /mm/zpdesc.h | |
| parent | 4610d35c14fc861d1795f8396d8c245ee43f3c37 (diff) | |
mm/zsmalloc: add and use pfn/zpdesc seeking funcs
Add pfn_zpdesc(), pfn_zpdesc() and kmap_local_zpdesc(). Convert
obj_to_location() to take zpdesc and also convert its users to use zpdesc.
Link: https://lkml.kernel.org/r/20241216150450.1228021-5-42.hyeyoo@gmail.com
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Alex Shi <alexs@kernel.org>
Acked-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/zpdesc.h')
| -rw-r--r-- | mm/zpdesc.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mm/zpdesc.h b/mm/zpdesc.h index 7c8bea3859f0..d539ec100a3b 100644 --- a/mm/zpdesc.h +++ b/mm/zpdesc.h @@ -134,4 +134,18 @@ static inline void zpdesc_put(struct zpdesc *zpdesc) folio_put(zpdesc_folio(zpdesc)); } +static inline void *kmap_local_zpdesc(struct zpdesc *zpdesc) +{ + return kmap_local_page(zpdesc_page(zpdesc)); +} + +static inline unsigned long zpdesc_pfn(struct zpdesc *zpdesc) +{ + return page_to_pfn(zpdesc_page(zpdesc)); +} + +static inline struct zpdesc *pfn_zpdesc(unsigned long pfn) +{ + return page_zpdesc(pfn_to_page(pfn)); +} #endif |