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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2007-02-20 19:13:30 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-02-20 19:13:30 +0000
commit5a84d159061d914c8dd4aa372ac6e9529c2be453 (patch)
tree9b08af78085334af44414adafe0096276f8fe0ff /arch/i386/mm/highmem.c
parente80a0e6e7ccdf64575d4384cb4172860422f5b81 (diff)
parent7d477a04a619e90ee08724e8f2d8803c6bdfcef8 (diff)
Merge ARM fixes
Diffstat (limited to 'arch/i386/mm/highmem.c')
-rw-r--r--arch/i386/mm/highmem.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/i386/mm/highmem.c b/arch/i386/mm/highmem.c
index e0fa6cb655a..bb2de1089ad 100644
--- a/arch/i386/mm/highmem.c
+++ b/arch/i386/mm/highmem.c
@@ -33,13 +33,14 @@ void *kmap_atomic(struct page *page, enum km_type type)
/* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */
pagefault_disable();
+
+ idx = type + KM_TYPE_NR*smp_processor_id();
+ BUG_ON(!pte_none(*(kmap_pte-idx)));
+
if (!PageHighMem(page))
return page_address(page);
- idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
- if (!pte_none(*(kmap_pte-idx)))
- BUG();
set_pte(kmap_pte-idx, mk_pte(page, kmap_prot));
return (void*) vaddr;