diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 75ef7c9f9307..3e51190a55e4 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -1534,14 +1534,27 @@ static inline unsigned long pgdat_end_pfn(pg_data_t *pgdat) #include <linux/memory_hotplug.h> void build_all_zonelists(pg_data_t *pgdat); -void wakeup_kswapd(struct zone *zone, gfp_t gfp_mask, int order, - enum zone_type highest_zoneidx); bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, int highest_zoneidx, unsigned int alloc_flags, long free_pages); bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, int highest_zoneidx, unsigned int alloc_flags); + +enum kswapd_clear_hopeless_reason { + KSWAPD_CLEAR_HOPELESS_OTHER = 0, + KSWAPD_CLEAR_HOPELESS_KSWAPD, + KSWAPD_CLEAR_HOPELESS_DIRECT, + KSWAPD_CLEAR_HOPELESS_PCP, +}; + +void wakeup_kswapd(struct zone *zone, gfp_t gfp_mask, int order, + enum zone_type highest_zoneidx); +void kswapd_try_clear_hopeless(struct pglist_data *pgdat, + unsigned int order, int highest_zoneidx); +void kswapd_clear_hopeless(pg_data_t *pgdat, enum kswapd_clear_hopeless_reason reason); +bool kswapd_test_hopeless(pg_data_t *pgdat); + /* * Memory initialization context, use to differentiate memory added by * the platform statically or via memory hotplug interface. @@ -1648,14 +1661,15 @@ static inline int is_highmem(const struct zone *zone) return is_highmem_idx(zone_idx(zone)); } -#ifdef CONFIG_ZONE_DMA -bool has_managed_dma(void); -#else +bool has_managed_zone(enum zone_type zone); static inline bool has_managed_dma(void) { +#ifdef CONFIG_ZONE_DMA + return has_managed_zone(ZONE_DMA); +#else return false; -} #endif +} #ifndef CONFIG_NUMA @@ -2285,9 +2299,7 @@ static inline unsigned long next_present_section_nr(unsigned long section_nr) #define pfn_to_nid(pfn) (0) #endif -void sparse_init(void); #else -#define sparse_init() do {} while (0) #define sparse_index_init(_sec, _nid) do {} while (0) #define sparse_vmemmap_init_nid_early(_nid) do {} while (0) #define sparse_vmemmap_init_nid_late(_nid) do {} while (0) |