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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-02-21 11:19:49 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-02-21 11:19:49 -0800 |
| commit | 7ae9fb1b7ecbb5d85d07857943f677fd1a559b18 (patch) | |
| tree | dbdd35328f43569c38c4ce193cefd7d2b6b9fbfd /include/linux/swap.h | |
| parent | 9c445d2637c938a800fcc8b5f0b10e60c94460c7 (diff) | |
| parent | 9e69e845ae95227949c400af1037dca023f73038 (diff) | |
| download | lwn-7ae9fb1b7ecbb5d85d07857943f677fd1a559b18.tar.gz lwn-7ae9fb1b7ecbb5d85d07857943f677fd1a559b18.zip | |
Merge branch 'next' into for-linus
Prepare input updates for 6.3 merge window.
Diffstat (limited to 'include/linux/swap.h')
| -rw-r--r-- | include/linux/swap.h | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index a18cf4b7c724..2787b84eaf12 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -55,22 +55,14 @@ static inline int current_is_kswapd(void) * actions on faults. */ -#define SWP_SWAPIN_ERROR_NUM 1 -#define SWP_SWAPIN_ERROR (MAX_SWAPFILES + SWP_HWPOISON_NUM + \ - SWP_MIGRATION_NUM + SWP_DEVICE_NUM + \ - SWP_PTE_MARKER_NUM) /* - * PTE markers are used to persist information onto PTEs that are mapped with - * file-backed memories. As its name "PTE" hints, it should only be applied to - * the leaves of pgtables. + * PTE markers are used to persist information onto PTEs that otherwise + * should be a none pte. As its name "PTE" hints, it should only be + * applied to the leaves of pgtables. */ -#ifdef CONFIG_PTE_MARKER #define SWP_PTE_MARKER_NUM 1 #define SWP_PTE_MARKER (MAX_SWAPFILES + SWP_HWPOISON_NUM + \ SWP_MIGRATION_NUM + SWP_DEVICE_NUM) -#else -#define SWP_PTE_MARKER_NUM 0 -#endif /* * Unaddressable device memory support. See include/linux/hmm.h and @@ -125,7 +117,7 @@ static inline int current_is_kswapd(void) #define MAX_SWAPFILES \ ((1 << MAX_SWAPFILES_SHIFT) - SWP_DEVICE_NUM - \ SWP_MIGRATION_NUM - SWP_HWPOISON_NUM - \ - SWP_PTE_MARKER_NUM - SWP_SWAPIN_ERROR_NUM) + SWP_PTE_MARKER_NUM) /* * Magic header for a swap area. The first part of the union is @@ -384,11 +376,11 @@ extern unsigned long totalreserve_pages; /* linux/mm/swap.c */ -void lru_note_cost(struct lruvec *lruvec, bool file, unsigned int nr_pages); -void lru_note_cost_folio(struct folio *); +void lru_note_cost(struct lruvec *lruvec, bool file, + unsigned int nr_io, unsigned int nr_rotated); +void lru_note_cost_refault(struct folio *); void folio_add_lru(struct folio *); void folio_add_lru_vma(struct folio *, struct vm_area_struct *); -void lru_cache_add(struct page *); void mark_page_accessed(struct page *); void folio_mark_accessed(struct folio *); @@ -426,7 +418,8 @@ extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order, extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg, unsigned long nr_pages, gfp_t gfp_mask, - unsigned int reclaim_options); + unsigned int reclaim_options, + nodemask_t *nodemask); extern unsigned long mem_cgroup_shrink_node(struct mem_cgroup *mem, gfp_t gfp_mask, bool noswap, pg_data_t *pgdat, @@ -470,7 +463,7 @@ static inline unsigned long total_swapcache_pages(void) extern void free_swap_cache(struct page *page); extern void free_page_and_swap_cache(struct page *); -extern void free_pages_and_swap_cache(struct page **, int); +extern void free_pages_and_swap_cache(struct encoded_page **, int); /* linux/mm/swapfile.c */ extern atomic_long_t nr_swap_pages; extern long total_swap_pages; |