diff options
Diffstat (limited to 'include/linux/memory_hotplug.h')
| -rw-r--r-- | include/linux/memory_hotplug.h | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index f2f16cdd73ee..815e908c4135 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -16,11 +16,8 @@ struct resource; struct vmem_altmap; struct dev_pagemap; -#ifdef CONFIG_MEMORY_HOTPLUG -struct page *pfn_to_online_page(unsigned long pfn); - /* Types for control the zone type of onlined and offlined memory */ -enum { +enum mmop { /* Offline the memory. */ MMOP_OFFLINE = 0, /* Online the memory. Zone depends, see default_zone_for_pfn(). */ @@ -31,6 +28,9 @@ enum { MMOP_ONLINE_MOVABLE, }; +#ifdef CONFIG_MEMORY_HOTPLUG +struct page *pfn_to_online_page(unsigned long pfn); + /* Flags for add_memory() and friends to specify memory hotplug details. */ typedef int __bitwise mhp_t; @@ -286,8 +286,8 @@ static inline void __remove_memory(u64 start, u64 size) {} #ifdef CONFIG_MEMORY_HOTPLUG /* Default online_type (MMOP_*) when new memory blocks are added. */ -extern int mhp_get_default_online_type(void); -extern void mhp_set_default_online_type(int online_type); +extern enum mmop mhp_get_default_online_type(void); +extern void mhp_set_default_online_type(enum mmop online_type); extern void __ref free_area_init_core_hotplug(struct pglist_data *pgdat); extern int __add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags); extern int add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags); @@ -308,10 +308,8 @@ extern int sparse_add_section(int nid, unsigned long pfn, struct dev_pagemap *pgmap); extern void sparse_remove_section(unsigned long pfn, unsigned long nr_pages, struct vmem_altmap *altmap); -extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map, - unsigned long pnum); -extern struct zone *zone_for_pfn_range(int online_type, int nid, - struct memory_group *group, unsigned long start_pfn, +extern struct zone *zone_for_pfn_range(enum mmop online_type, + int nid, struct memory_group *group, unsigned long start_pfn, unsigned long nr_pages); extern int arch_create_linear_mapping(int nid, u64 start, u64 size, struct mhp_params *params); |