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Diffstat (limited to 'arch/microblaze/include/asm/page.h')
-rw-r--r--arch/microblaze/include/asm/page.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 9b66c0fa9a3..2dd1d04129e 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -62,12 +62,6 @@ extern unsigned int __page_offset;
#define PAGE_OFFSET CONFIG_KERNEL_START
/*
- * MAP_NR -- given an address, calculate the index of the page struct which
- * points to the address's page.
- */
-#define MAP_NR(addr) (((unsigned long)(addr) - PAGE_OFFSET) >> PAGE_SHIFT)
-
-/*
* The basic type of a PTE - 32 bit physical addressing.
*/
typedef unsigned long pte_basic_t;
@@ -154,7 +148,11 @@ extern int page_is_ram(unsigned long pfn);
# define pfn_to_virt(pfn) __va(pfn_to_phys((pfn)))
# ifdef CONFIG_MMU
-# define virt_to_page(kaddr) (mem_map + MAP_NR(kaddr))
+
+# define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
+# define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT)
+# define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
+
# else /* CONFIG_MMU */
# define virt_to_page(vaddr) (pfn_to_page(virt_to_pfn(vaddr)))
# define page_to_virt(page) (pfn_to_virt(page_to_pfn(page)))