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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-30 08:40:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-30 08:40:35 -0700 |
| commit | f9b3bcfbc43ac80f2019a5093ad9a1e624e611b1 (patch) | |
| tree | 9db502a626fca6213019bbff3e39ff37e11d853d /arch/x86/mm | |
| parent | 01c7cd0ef5d98fdd007d8a04c9f834bead6e5ee1 (diff) | |
| parent | 13f72756da86f155898e2c2022f7b3a106c3742e (diff) | |
| download | blackbird-obmc-linux-f9b3bcfbc43ac80f2019a5093ad9a1e624e611b1.tar.gz blackbird-obmc-linux-f9b3bcfbc43ac80f2019a5093ad9a1e624e611b1.zip | |
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm changes from Ingo Molnar:
"Misc smaller changes all over the map"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/iommu/dmar: Remove warning for HPET scope type
x86/mm/gart: Drop unnecessary check
x86/mm/hotplug: Put kernel_physical_mapping_remove() declaration in CONFIG_MEMORY_HOTREMOVE
x86/mm/fixmap: Remove unused FIX_CYCLONE_TIMER
x86/mm/numa: Simplify some bit mangling
x86/mm: Re-enable DEBUG_TLBFLUSH for X86_32
x86/mm/cpa: Cleanup split_large_page() and its callee
x86: Drop always empty .text..page_aligned section
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/amdtopology.c | 3 | ||||
| -rw-r--r-- | arch/x86/mm/init_64.c | 2 | ||||
| -rw-r--r-- | arch/x86/mm/pageattr.c | 9 |
3 files changed, 6 insertions, 8 deletions
diff --git a/arch/x86/mm/amdtopology.c b/arch/x86/mm/amdtopology.c index 5247d01329ca..2ca15b59fb3f 100644 --- a/arch/x86/mm/amdtopology.c +++ b/arch/x86/mm/amdtopology.c @@ -130,9 +130,8 @@ int __init amd_numa_init(void) } limit >>= 16; - limit <<= 24; - limit |= (1<<24)-1; limit++; + limit <<= 24; if (limit > end) limit = end; diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 71ff55a1b287..caad9a0ee19f 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1016,6 +1016,7 @@ void __ref vmemmap_free(unsigned long start, unsigned long end) remove_pagetable(start, end, false); } +#ifdef CONFIG_MEMORY_HOTREMOVE static void __meminit kernel_physical_mapping_remove(unsigned long start, unsigned long end) { @@ -1025,7 +1026,6 @@ kernel_physical_mapping_remove(unsigned long start, unsigned long end) remove_pagetable(start, end, true); } -#ifdef CONFIG_MEMORY_HOTREMOVE int __ref arch_remove_memory(u64 start, u64 size) { unsigned long start_pfn = start >> PAGE_SHIFT; diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index fb4e73ec24d8..bb32480c2d71 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -542,13 +542,14 @@ out_unlock: return do_split; } -int __split_large_page(pte_t *kpte, unsigned long address, pte_t *pbase) +static int +__split_large_page(pte_t *kpte, unsigned long address, struct page *base) { + pte_t *pbase = (pte_t *)page_address(base); unsigned long pfn, pfninc = 1; unsigned int i, level; pte_t *tmp; pgprot_t ref_prot; - struct page *base = virt_to_page(pbase); spin_lock(&pgd_lock); /* @@ -633,7 +634,6 @@ int __split_large_page(pte_t *kpte, unsigned long address, pte_t *pbase) static int split_large_page(pte_t *kpte, unsigned long address) { - pte_t *pbase; struct page *base; if (!debug_pagealloc) @@ -644,8 +644,7 @@ static int split_large_page(pte_t *kpte, unsigned long address) if (!base) return -ENOMEM; - pbase = (pte_t *)page_address(base); - if (__split_large_page(kpte, address, pbase)) + if (__split_large_page(kpte, address, base)) __free_page(base); return 0; |
