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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 08:40:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 08:40:35 -0700
commitf9b3bcfbc43ac80f2019a5093ad9a1e624e611b1 (patch)
tree9db502a626fca6213019bbff3e39ff37e11d853d /arch/x86
parent01c7cd0ef5d98fdd007d8a04c9f834bead6e5ee1 (diff)
parent13f72756da86f155898e2c2022f7b3a106c3742e (diff)
downloadlinux-f9b3bcfbc43ac80f2019a5093ad9a1e624e611b1.tar.gz
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')
-rw-r--r--arch/x86/Kconfig.debug2
-rw-r--r--arch/x86/include/asm/fixmap.h3
-rw-r--r--arch/x86/include/asm/pgtable_types.h1
-rw-r--r--arch/x86/kernel/acpi/wakeup_32.S2
-rw-r--r--arch/x86/kernel/aperture_64.c2
-rw-r--r--arch/x86/kernel/vmlinux.lds.S4
-rw-r--r--arch/x86/mm/amdtopology.c3
-rw-r--r--arch/x86/mm/init_64.c2
-rw-r--r--arch/x86/mm/pageattr.c9
9 files changed, 9 insertions, 19 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index b322f124ee3..16f738385dc 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -131,7 +131,7 @@ config DOUBLEFAULT
config DEBUG_TLBFLUSH
bool "Set upper limit of TLB entries to flush one-by-one"
- depends on DEBUG_KERNEL && (X86_64 || X86_INVLPG)
+ depends on DEBUG_KERNEL
---help---
X86-only for now.
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index 51b9e322cb8..0dc7d9e21c3 100644
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -105,9 +105,6 @@ enum fixed_addresses {
FIX_LI_PCIB, /* Lithium PCI Bridge B */
#endif
FIX_RO_IDT, /* Virtual mapping for read-only IDT */
-#ifdef CONFIG_X86_CYCLONE_TIMER
- FIX_CYCLONE_TIMER, /*cyclone timer register*/
-#endif
#ifdef CONFIG_X86_32
FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index 567b5d0632b..e6423002c10 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -351,7 +351,6 @@ static inline void update_page_count(int level, unsigned long pages) { }
* as a pte too.
*/
extern pte_t *lookup_address(unsigned long address, unsigned int *level);
-extern int __split_large_page(pte_t *kpte, unsigned long address, pte_t *pbase);
extern phys_addr_t slow_virt_to_phys(void *__address);
#endif /* !__ASSEMBLY__ */
diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
index 13ab720573e..ced4638c834 100644
--- a/arch/x86/kernel/acpi/wakeup_32.S
+++ b/arch/x86/kernel/acpi/wakeup_32.S
@@ -1,4 +1,4 @@
- .section .text..page_aligned
+ .text
#include <linux/linkage.h>
#include <asm/segment.h>
#include <asm/page_types.h>
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index d5fd66f0d4c..fd972a3e4cb 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -87,7 +87,7 @@ static u32 __init allocate_aperture(void)
*/
addr = memblock_find_in_range(GART_MIN_ADDR, GART_MAX_ADDR,
aper_size, aper_size);
- if (!addr || addr + aper_size > GART_MAX_ADDR) {
+ if (!addr) {
printk(KERN_ERR
"Cannot allocate aperture memory hole (%lx,%uK)\n",
addr, aper_size>>10);
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 22a1530146a..10c4f3006af 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -94,10 +94,6 @@ SECTIONS
_text = .;
/* bootstrapping code */
HEAD_TEXT
-#ifdef CONFIG_X86_32
- . = ALIGN(PAGE_SIZE);
- *(.text..page_aligned)
-#endif
. = ALIGN(8);
_stext = .;
TEXT_TEXT
diff --git a/arch/x86/mm/amdtopology.c b/arch/x86/mm/amdtopology.c
index 5247d01329c..2ca15b59fb3 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 71ff55a1b28..caad9a0ee19 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 fb4e73ec24d..bb32480c2d7 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;