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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 17:15:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 17:15:20 -0700
commit31453a9764f7e2a72a6e2c502ace586e2663a68c (patch)
tree5d4db63de5b4b85d1ffdab4e95a75175a784a10a /arch/arm/mm
parentf9ba5375a8aae4aeea6be15df77e24707a429812 (diff)
parent93ed0e2d07b25aff4db1d61bfbcd1e82074c0ad5 (diff)
Merge branch 'akpm-incoming-1'
* akpm-incoming-1: (176 commits) scripts/checkpatch.pl: add check for declaration of pci_device_id scripts/checkpatch.pl: add warnings for static char that could be static const char checkpatch: version 0.31 checkpatch: statement/block context analyser should look at sanitised lines checkpatch: handle EXPORT_SYMBOL for DEVICE_ATTR and similar checkpatch: clean up structure definition macro handline checkpatch: update copyright dates checkpatch: Add additional attribute #defines checkpatch: check for incorrect permissions checkpatch: ensure kconfig help checks only apply when we are adding help checkpatch: simplify and consolidate "missing space after" checks checkpatch: add check for space after struct, union, and enum checkpatch: returning errno typically should be negative checkpatch: handle casts better fixing false categorisation of : as binary checkpatch: ensure we do not collapse bracketed sections into constants checkpatch: suggest cleanpatch and cleanfile when appropriate checkpatch: types may sit on a line on their own checkpatch: fix regressions in "fix handling of leading spaces" div64_u64(): improve precision on 32bit platforms lib/parser: cleanup match_number() ...
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/fault-armv.c4
-rw-r--r--arch/arm/mm/highmem.c23
-rw-r--r--arch/arm/mm/pgd.c4
3 files changed, 18 insertions, 13 deletions
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index 8440d952ba6..c493d7244d3 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -89,13 +89,13 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address,
* open-code the spin-locking.
*/
ptl = pte_lockptr(vma->vm_mm, pmd);
- pte = pte_offset_map_nested(pmd, address);
+ pte = pte_offset_map(pmd, address);
spin_lock(ptl);
ret = do_adjust_pte(vma, address, pfn, pte);
spin_unlock(ptl);
- pte_unmap_nested(pte);
+ pte_unmap(pte);
return ret;
}
diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c
index 1fbdb55bfd1..c00f119babb 100644
--- a/arch/arm/mm/highmem.c
+++ b/arch/arm/mm/highmem.c
@@ -36,18 +36,17 @@ void kunmap(struct page *page)
}
EXPORT_SYMBOL(kunmap);
-void *kmap_atomic(struct page *page, enum km_type type)
+void *__kmap_atomic(struct page *page)
{
unsigned int idx;
unsigned long vaddr;
void *kmap;
+ int type;
pagefault_disable();
if (!PageHighMem(page))
return page_address(page);
- debug_kmap_atomic(type);
-
#ifdef CONFIG_DEBUG_HIGHMEM
/*
* There is no cache coherency issue when non VIVT, so force the
@@ -61,6 +60,8 @@ void *kmap_atomic(struct page *page, enum km_type type)
if (kmap)
return kmap;
+ type = kmap_atomic_idx_push();
+
idx = type + KM_TYPE_NR * smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
#ifdef CONFIG_DEBUG_HIGHMEM
@@ -80,14 +81,17 @@ void *kmap_atomic(struct page *page, enum km_type type)
return (void *)vaddr;
}
-EXPORT_SYMBOL(kmap_atomic);
+EXPORT_SYMBOL(__kmap_atomic);
-void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type)
+void __kunmap_atomic(void *kvaddr)
{
unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
- unsigned int idx = type + KM_TYPE_NR * smp_processor_id();
+ int idx, type;
if (kvaddr >= (void *)FIXADDR_START) {
+ type = kmap_atomic_idx_pop();
+ idx = type + KM_TYPE_NR * smp_processor_id();
+
if (cache_is_vivt())
__cpuc_flush_dcache_area((void *)vaddr, PAGE_SIZE);
#ifdef CONFIG_DEBUG_HIGHMEM
@@ -103,15 +107,16 @@ void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type)
}
pagefault_enable();
}
-EXPORT_SYMBOL(kunmap_atomic_notypecheck);
+EXPORT_SYMBOL(__kunmap_atomic);
-void *kmap_atomic_pfn(unsigned long pfn, enum km_type type)
+void *kmap_atomic_pfn(unsigned long pfn)
{
- unsigned int idx;
unsigned long vaddr;
+ int idx, type;
pagefault_disable();
+ type = kmap_atomic_idx_push();
idx = type + KM_TYPE_NR * smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
#ifdef CONFIG_DEBUG_HIGHMEM
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
index be5f58e153b..69bbfc6645a 100644
--- a/arch/arm/mm/pgd.c
+++ b/arch/arm/mm/pgd.c
@@ -57,9 +57,9 @@ pgd_t *get_pgd_slow(struct mm_struct *mm)
goto no_pte;
init_pmd = pmd_offset(init_pgd, 0);
- init_pte = pte_offset_map_nested(init_pmd, 0);
+ init_pte = pte_offset_map(init_pmd, 0);
set_pte_ext(new_pte, *init_pte, 0);
- pte_unmap_nested(init_pte);
+ pte_unmap(init_pte);
pte_unmap(new_pte);
}