diff options
Diffstat (limited to 'arch/powerpc/include/asm/highmem.h')
| -rw-r--r-- | arch/powerpc/include/asm/highmem.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/highmem.h b/arch/powerpc/include/asm/highmem.h index ba3371977d49..d049806a8354 100644 --- a/arch/powerpc/include/asm/highmem.h +++ b/arch/powerpc/include/asm/highmem.h @@ -59,7 +59,16 @@ extern pte_t *pkmap_page_table; #define PKMAP_NR(virt) ((virt-PKMAP_BASE) >> PAGE_SHIFT) #define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) -extern void *kmap_atomic_prot(struct page *page, pgprot_t prot); +extern void *kmap_atomic_high_prot(struct page *page, pgprot_t prot); +static inline void *kmap_atomic_prot(struct page *page, pgprot_t prot) +{ + preempt_disable(); + pagefault_disable(); + if (!PageHighMem(page)) + return page_address(page); + + return kmap_atomic_high_prot(page, prot); +} extern void __kunmap_atomic(void *kvaddr); static inline void *kmap_atomic(struct page *page) |