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author | Christoph Hellwig <hch@lst.de> | 2017-12-29 08:53:53 +0100 |
---|---|---|
committer | Dan Williams <dan.j.williams@intel.com> | 2018-01-08 11:46:23 -0800 |
commit | 24e6d5a59ac7d31adc0322de2d0117dfa370936f (patch) | |
tree | b021d2de9c55ffda9054b36e8d76487c1c06f876 /arch/x86 | |
parent | 55ce6e23ebd159bc3d8f0a20e27503e09b5d8138 (diff) | |
download | linux-stable-24e6d5a59ac7d31adc0322de2d0117dfa370936f.tar.gz linux-stable-24e6d5a59ac7d31adc0322de2d0117dfa370936f.tar.bz2 linux-stable-24e6d5a59ac7d31adc0322de2d0117dfa370936f.zip |
mm: pass the vmem_altmap to arch_add_memory and __add_pages
We can just pass this on instead of having to do a radix tree lookup
without proper locking 2 levels into the callchain.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/mm/init_32.c | 5 | ||||
-rw-r--r-- | arch/x86/mm/init_64.c | 11 |
2 files changed, 9 insertions, 7 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 135c9a7898c7..8a3091511a71 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -829,12 +829,13 @@ void __init mem_init(void) } #ifdef CONFIG_MEMORY_HOTPLUG -int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock) +int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap, + bool want_memblock) { unsigned long start_pfn = start >> PAGE_SHIFT; unsigned long nr_pages = size >> PAGE_SHIFT; - return __add_pages(nid, start_pfn, nr_pages, want_memblock); + return __add_pages(nid, start_pfn, nr_pages, altmap, want_memblock); } #ifdef CONFIG_MEMORY_HOTREMOVE diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 8acdc35c2dfa..e80bb4189254 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -772,12 +772,12 @@ static void update_end_of_memory_vars(u64 start, u64 size) } } -int add_pages(int nid, unsigned long start_pfn, - unsigned long nr_pages, bool want_memblock) +int add_pages(int nid, unsigned long start_pfn, unsigned long nr_pages, + struct vmem_altmap *altmap, bool want_memblock) { int ret; - ret = __add_pages(nid, start_pfn, nr_pages, want_memblock); + ret = __add_pages(nid, start_pfn, nr_pages, altmap, want_memblock); WARN_ON_ONCE(ret); /* update max_pfn, max_low_pfn and high_memory */ @@ -787,14 +787,15 @@ int add_pages(int nid, unsigned long start_pfn, return ret; } -int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock) +int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap, + bool want_memblock) { unsigned long start_pfn = start >> PAGE_SHIFT; unsigned long nr_pages = size >> PAGE_SHIFT; init_memory_mapping(start, start + size); - return add_pages(nid, start_pfn, nr_pages, want_memblock); + return add_pages(nid, start_pfn, nr_pages, altmap, want_memblock); } #define PAGE_INUSE 0xFD |