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| author | Maxime Ripard <maxime@cerno.tech> | 2022-06-08 19:11:27 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2022-06-08 19:11:27 +0200 |
| commit | 6e2b347d42e54282e4c6cfa08272db462b178f7f (patch) | |
| tree | 7686345b2e24c406a57feffcad558484f9552366 /include/linux/memory_hotplug.h | |
| parent | e54a4424925a27ed94dff046db3ce5caf4b1e748 (diff) | |
| parent | f2906aa863381afb0015a9eb7fefad885d4e5a56 (diff) | |
| download | cachepc-linux-6e2b347d42e54282e4c6cfa08272db462b178f7f.tar.gz cachepc-linux-6e2b347d42e54282e4c6cfa08272db462b178f7f.zip | |
Merge v5.19-rc1 into drm-misc-fixes
Let's kick-off the start of the 5.19 fix cycle
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'include/linux/memory_hotplug.h')
| -rw-r--r-- | include/linux/memory_hotplug.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 1ce6f8044f1e..20d7edf62a6a 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -15,6 +15,7 @@ struct memory_block; struct memory_group; struct resource; struct vmem_altmap; +struct dev_pagemap; #ifdef CONFIG_HAVE_ARCH_NODEDATA_EXTENSION /* @@ -122,6 +123,7 @@ typedef int __bitwise mhp_t; struct mhp_params { struct vmem_altmap *altmap; pgprot_t pgprot; + struct dev_pagemap *pgmap; }; bool mhp_range_allowed(u64 start, u64 size, bool need_mapping); @@ -333,7 +335,8 @@ extern void remove_pfn_range_from_zone(struct zone *zone, unsigned long nr_pages); extern bool is_memblock_offlined(struct memory_block *mem); extern int sparse_add_section(int nid, unsigned long pfn, - unsigned long nr_pages, struct vmem_altmap *altmap); + unsigned long nr_pages, struct vmem_altmap *altmap, + struct dev_pagemap *pgmap); extern void sparse_remove_section(struct mem_section *ms, unsigned long pfn, unsigned long nr_pages, unsigned long map_offset, struct vmem_altmap *altmap); @@ -348,4 +351,13 @@ void arch_remove_linear_mapping(u64 start, u64 size); extern bool mhp_supports_memmap_on_memory(unsigned long size); #endif /* CONFIG_MEMORY_HOTPLUG */ +#ifdef CONFIG_MHP_MEMMAP_ON_MEMORY +bool mhp_memmap_on_memory(void); +#else +static inline bool mhp_memmap_on_memory(void) +{ + return false; +} +#endif + #endif /* __LINUX_MEMORY_HOTPLUG_H */ |