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Diffstat (limited to 'arch/powerpc/include/asm/page.h')
-rw-r--r--arch/powerpc/include/asm/page.h49
1 files changed, 22 insertions, 27 deletions
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index e5f75c70eda8..e411e5a70ea3 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -9,6 +9,7 @@
#ifndef __ASSEMBLY__
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/bug.h>
#else
#include <asm/types.h>
#endif
@@ -20,7 +21,7 @@
* page size. When using 64K pages however, whether we are really supporting
* 64K pages in HW or not is irrelevant to those definitions.
*/
-#define PAGE_SHIFT CONFIG_PPC_PAGE_SHIFT
+#define PAGE_SHIFT CONFIG_PAGE_SHIFT
#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT)
#ifndef __ASSEMBLY__
@@ -31,7 +32,7 @@ extern unsigned int hpage_shift;
#define HPAGE_SHIFT hpage_shift
#elif defined(CONFIG_PPC_8xx)
#define HPAGE_SHIFT 19 /* 512k pages */
-#elif defined(CONFIG_PPC_FSL_BOOK3E)
+#elif defined(CONFIG_PPC_E500)
#define HPAGE_SHIFT 22 /* 4M pages */
#endif
#define HPAGE_SIZE ((1UL) << HPAGE_SHIFT)
@@ -117,26 +118,7 @@ extern long long virt_phys_offset;
#ifdef CONFIG_FLATMEM
#define ARCH_PFN_OFFSET ((unsigned long)(MEMORY_START >> PAGE_SHIFT))
-#ifndef __ASSEMBLY__
-extern unsigned long max_mapnr;
-static inline bool pfn_valid(unsigned long pfn)
-{
- unsigned long min_pfn = ARCH_PFN_OFFSET;
-
- return pfn >= min_pfn && pfn < max_mapnr;
-}
#endif
-#endif
-
-#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
-#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
-#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
-
-#define virt_addr_valid(vaddr) ({ \
- unsigned long _addr = (unsigned long)vaddr; \
- _addr >= PAGE_OFFSET && _addr < (unsigned long)high_memory && \
- pfn_valid(virt_to_pfn(_addr)); \
-})
/*
* On Book-E parts we need __va to parse the device tree and we can't
@@ -242,6 +224,25 @@ static inline bool pfn_valid(unsigned long pfn)
#endif
#endif
+#ifndef __ASSEMBLY__
+static inline unsigned long virt_to_pfn(const void *kaddr)
+{
+ return __pa(kaddr) >> PAGE_SHIFT;
+}
+
+static inline const void *pfn_to_kaddr(unsigned long pfn)
+{
+ return __va(pfn << PAGE_SHIFT);
+}
+#endif
+
+#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
+#define virt_addr_valid(vaddr) ({ \
+ unsigned long _addr = (unsigned long)vaddr; \
+ _addr >= PAGE_OFFSET && _addr < (unsigned long)high_memory && \
+ pfn_valid(virt_to_pfn((void *)_addr)); \
+})
+
/*
* Unfortunately the PLT is in the BSS in the PPC32 ELF ABI,
* and needs to be executable. This means the whole heap ends
@@ -308,12 +309,6 @@ static inline bool pfn_valid(unsigned long pfn)
#include <asm/pgtable-types.h>
#endif
-
-#ifndef CONFIG_HUGETLB_PAGE
-#define is_hugepd(pdep) (0)
-#define pgd_huge(pgd) (0)
-#endif /* CONFIG_HUGETLB_PAGE */
-
struct page;
extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg);
extern void copy_user_page(void *to, void *from, unsigned long vaddr,