Messages in this thread Patch in this message | | | From | Reza Arbab <> | Subject | [PATCH] powerpc/mm: update arch_{add,remove}_memory() for radix | Date | Thu, 23 Jun 2016 11:39:22 -0500 |
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These functions are making direct calls to the hash table APIs, leading to a BUG() on systems using radix.
Switch them to the vmemmap_{create,remove}_mapping() wrappers, and move to the __meminit section.
Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com> --- arch/powerpc/mm/mem.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 2fd57fa..80c6ee7 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -116,7 +116,7 @@ int memory_add_physaddr_to_nid(u64 start) } #endif -int arch_add_memory(int nid, u64 start, u64 size, bool for_device) +int __meminit arch_add_memory(int nid, u64 start, u64 size, bool for_device) { struct pglist_data *pgdata; struct zone *zone; @@ -127,7 +127,7 @@ int arch_add_memory(int nid, u64 start, u64 size, bool for_device) pgdata = NODE_DATA(nid); start = (unsigned long)__va(start); - rc = create_section_mapping(start, start + size); + rc = vmemmap_create_mapping(start, size, __pa(start)); if (rc) { pr_warning( "Unable to create mapping for hot added memory 0x%llx..0x%llx: %d\n", @@ -143,7 +143,7 @@ int arch_add_memory(int nid, u64 start, u64 size, bool for_device) } #ifdef CONFIG_MEMORY_HOTREMOVE -int arch_remove_memory(u64 start, u64 size) +int __meminit arch_remove_memory(u64 start, u64 size) { unsigned long start_pfn = start >> PAGE_SHIFT; unsigned long nr_pages = size >> PAGE_SHIFT; @@ -157,7 +157,7 @@ int arch_remove_memory(u64 start, u64 size) /* Remove htab bolted mappings for this section of memory */ start = (unsigned long)__va(start); - ret = remove_section_mapping(start, start + size); + vmemmap_remove_mapping(start, size); /* Ensure all vmalloc mappings are flushed in case they also * hit that section of memory -- 1.8.3.1
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