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authorPaolo Bonzini <[email protected]>2022-06-09 09:45:00 -0400
committerPaolo Bonzini <[email protected]>2022-06-09 09:45:00 -0400
commit66da65005aa819e0b8d3a08f5ec1491b7690cb67 (patch)
tree001471fc80938e6e13c6ecf356503d4c65043d5a /include/linux/memory_hotplug.h
parent6cd88243c7e03845a450795e134b488fc2afb736 (diff)
parent1a12b25274b9e54b0d2d59e21620f8cf13b268cb (diff)
Merge tag 'kvm-riscv-fixes-5.19-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv fixes for 5.19, take #1 - Typo fix in arch/riscv/kvm/vmid.c - Remove broken reference pattern from MAINTAINERS entry
Diffstat (limited to 'include/linux/memory_hotplug.h')
-rw-r--r--include/linux/memory_hotplug.h14
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 */