diff options
Diffstat (limited to 'include/linux/memory_hotplug.h')
| -rw-r--r-- | include/linux/memory_hotplug.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index ef55115320fb..93d9ada74ddd 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -58,13 +58,14 @@ enum { }; /* - * Restrictions for the memory hotplug: - * flags: MHP_ flags - * altmap: alternative allocator for memmap array + * Extended parameters for memory hotplug: + * altmap: alternative allocator for memmap array (optional) + * pgprot: page protection flags to apply to newly created page tables + * (required) */ -struct mhp_restrictions { - unsigned long flags; +struct mhp_params { struct vmem_altmap *altmap; + pgprot_t pgprot; }; /* @@ -114,7 +115,7 @@ extern int restore_online_page_callback(online_page_callback_t callback); extern int try_online_node(int nid); extern int arch_add_memory(int nid, u64 start, u64 size, - struct mhp_restrictions *restrictions); + struct mhp_params *params); extern u64 max_mem_size; extern int memhp_online_type_from_str(const char *str); @@ -135,17 +136,17 @@ extern void __remove_pages(unsigned long start_pfn, unsigned long nr_pages, /* reasonably generic interface to expand the physical pages */ extern int __add_pages(int nid, unsigned long start_pfn, unsigned long nr_pages, - struct mhp_restrictions *restrictions); + struct mhp_params *params); #ifndef CONFIG_ARCH_HAS_ADD_PAGES static inline int add_pages(int nid, unsigned long start_pfn, - unsigned long nr_pages, struct mhp_restrictions *restrictions) + unsigned long nr_pages, struct mhp_params *params) { - return __add_pages(nid, start_pfn, nr_pages, restrictions); + return __add_pages(nid, start_pfn, nr_pages, params); } #else /* ARCH_HAS_ADD_PAGES */ int add_pages(int nid, unsigned long start_pfn, unsigned long nr_pages, - struct mhp_restrictions *restrictions); + struct mhp_params *params); #endif /* ARCH_HAS_ADD_PAGES */ #ifdef CONFIG_NUMA |