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-rw-r--r--arch/i386/mm/highmem.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/i386/mm/highmem.c b/arch/i386/mm/highmem.c
index f9f647cdbc7..178bbfe6cba 100644
--- a/arch/i386/mm/highmem.c
+++ b/arch/i386/mm/highmem.c
@@ -32,7 +32,7 @@ void *kmap_atomic(struct page *page, enum km_type type)
unsigned long vaddr;
/* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */
- inc_preempt_count();
+ pagefault_disable();
if (!PageHighMem(page))
return page_address(page);
@@ -52,8 +52,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type)
#ifdef CONFIG_DEBUG_HIGHMEM
if (vaddr >= PAGE_OFFSET && vaddr < (unsigned long)high_memory) {
- dec_preempt_count();
- preempt_check_resched();
+ pagefault_enable();
return;
}
@@ -68,8 +67,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type)
*/
kpte_clear_flush(kmap_pte-idx, vaddr);
- dec_preempt_count();
- preempt_check_resched();
+ pagefault_enable();
}
/* This is the same as kmap_atomic() but can map memory that doesn't
@@ -80,7 +78,7 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type)
enum fixed_addresses idx;
unsigned long vaddr;
- inc_preempt_count();
+ pagefault_disable();
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);