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v5.15.1

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This commit is contained in:
Sorgelig
2021-11-07 20:12:39 +08:00
parent b6f2ca1c4d
commit aba1ef4c11
10610 changed files with 600603 additions and 270114 deletions
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34
include/linux/memory_hotplug.h
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@@ -12,6 +12,7 @@ struct zone;
struct pglist_data;
struct mem_section;
struct memory_block;
struct memory_group;
struct resource;
struct vmem_altmap;
@@ -50,6 +51,11 @@ typedef int __bitwise mhp_t;
* Only selected architectures support it with SPARSE_VMEMMAP.
*/
#define MHP_MEMMAP_ON_MEMORY ((__force mhp_t)BIT(1))
/*
* The nid field specifies a memory group id (mgid) instead. The memory group
* implies the node id (nid).
*/
#define MHP_NID_IS_MGID ((__force mhp_t)BIT(2))
/*
* Extended parameters for memory hotplug:
@@ -95,13 +101,15 @@ static inline void zone_seqlock_init(struct zone *zone)
extern int zone_grow_free_lists(struct zone *zone, unsigned long new_nr_pages);
extern int zone_grow_waitqueues(struct zone *zone, unsigned long nr_pages);
extern int add_one_highpage(struct page *page, int pfn, int bad_ppro);
extern void adjust_present_page_count(struct zone *zone, long nr_pages);
extern void adjust_present_page_count(struct page *page,
struct memory_group *group,
long nr_pages);
/* VM interface that may be used by firmware interface */
extern int mhp_init_memmap_on_memory(unsigned long pfn, unsigned long nr_pages,
struct zone *zone);
extern void mhp_deinit_memmap_on_memory(unsigned long pfn, unsigned long nr_pages);
extern int online_pages(unsigned long pfn, unsigned long nr_pages,
struct zone *zone);
struct zone *zone, struct memory_group *group);
extern struct zone *test_pages_in_a_zone(unsigned long start_pfn,
unsigned long end_pfn);
extern void __offline_isolated_pages(unsigned long start_pfn,
@@ -130,8 +138,7 @@ static inline bool movable_node_is_enabled(void)
return movable_node_enabled;
}
extern void arch_remove_memory(int nid, u64 start, u64 size,
struct vmem_altmap *altmap);
extern void arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap);
extern void __remove_pages(unsigned long start_pfn, unsigned long nr_pages,
struct vmem_altmap *altmap);
@@ -292,25 +299,27 @@ static inline void pgdat_resize_init(struct pglist_data *pgdat) {}
#ifdef CONFIG_MEMORY_HOTREMOVE
extern void try_offline_node(int nid);
extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages);
extern int remove_memory(int nid, u64 start, u64 size);
extern void __remove_memory(int nid, u64 start, u64 size);
extern int offline_and_remove_memory(int nid, u64 start, u64 size);
extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages,
struct memory_group *group);
extern int remove_memory(u64 start, u64 size);
extern void __remove_memory(u64 start, u64 size);
extern int offline_and_remove_memory(u64 start, u64 size);
#else
static inline void try_offline_node(int nid) {}
static inline int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
static inline int offline_pages(unsigned long start_pfn, unsigned long nr_pages,
struct memory_group *group)
{
return -EINVAL;
}
static inline int remove_memory(int nid, u64 start, u64 size)
static inline int remove_memory(u64 start, u64 size)
{
return -EBUSY;
}
static inline void __remove_memory(int nid, u64 start, u64 size) {}
static inline void __remove_memory(u64 start, u64 size) {}
#endif /* CONFIG_MEMORY_HOTREMOVE */
extern void set_zone_contiguous(struct zone *zone);
@@ -339,7 +348,8 @@ extern void sparse_remove_section(struct mem_section *ms,
unsigned long map_offset, 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, unsigned start_pfn,
extern struct zone *zone_for_pfn_range(int 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);