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Diffstat (limited to 'include/linux/swap.h')
-rw-r--r--include/linux/swap.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 8672a7123ccd..43150b9bbc5c 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -74,7 +74,7 @@ static inline int current_is_kswapd(void)
/*
* Unaddressable device memory support. See include/linux/hmm.h and
- * Documentation/vm/hmm.rst. Short description is we need struct pages for
+ * Documentation/mm/hmm.rst. Short description is we need struct pages for
* device memory that is unaddressable (inaccessible) by CPU, so that we can
* migrate part of a process memory to device memory.
*
@@ -411,10 +411,13 @@ extern void lru_cache_add_inactive_or_unevictable(struct page *page,
extern unsigned long zone_reclaimable_pages(struct zone *zone);
extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
gfp_t gfp_mask, nodemask_t *mask);
+
+#define MEMCG_RECLAIM_MAY_SWAP (1 << 1)
+#define MEMCG_RECLAIM_PROACTIVE (1 << 2)
extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg,
unsigned long nr_pages,
gfp_t gfp_mask,
- bool may_swap);
+ unsigned int reclaim_options);
extern unsigned long mem_cgroup_shrink_node(struct mem_cgroup *mem,
gfp_t gfp_mask, bool noswap,
pg_data_t *pgdat,
@@ -456,6 +459,7 @@ static inline unsigned long total_swapcache_pages(void)
return global_node_page_state(NR_SWAPCACHE);
}
+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);
/* linux/mm/swapfile.c */
@@ -540,6 +544,10 @@ static inline void put_swap_device(struct swap_info_struct *si)
/* used to sanity check ptes in zap_pte_range when CONFIG_SWAP=0 */
#define free_swap_and_cache(e) is_pfn_swap_entry(e)
+static inline void free_swap_cache(struct page *page)
+{
+}
+
static inline int add_swap_count_continuation(swp_entry_t swp, gfp_t gfp_mask)
{
return 0;