hugetlbfs: architecture header cleanup

[linux-2.6-omap-h63xx.git] / include / asm-powerpc / page_64.h

diff --git a/include/asm-powerpc/page_64.h b/include/asm-powerpc/page_64.h
index 3448a3d4bc64efc74d84a9c3e337a8989b108fd9..25af4fc8daf40976d030c66dc553fd6c1802662e 100644 (file)
--- a/include/asm-powerpc/page_64.h
+++ b/include/asm-powerpc/page_64.h
@@ -1,6 +1,5 @@
 #ifndef _ASM_POWERPC_PAGE_64_H
 #define _ASM_POWERPC_PAGE_64_H
-#ifdef __KERNEL__
 
 /*
  * Copyright (C) 2001 PPC64 Team, IBM Corp
@@ -26,12 +25,18 @@
  */
 #define PAGE_FACTOR            (PAGE_SHIFT - HW_PAGE_SHIFT)
 
-/* Segment size */
+/* Segment size; normal 256M segments */
 #define SID_SHIFT              28
-#define SID_MASK               0xfffffffffUL
+#define SID_MASK               ASM_CONST(0xfffffffff)
 #define ESID_MASK              0xfffffffff0000000UL
 #define GET_ESID(x)            (((x) >> SID_SHIFT) & SID_MASK)
 
+/* 1T segments */
+#define SID_SHIFT_1T           40
+#define SID_MASK_1T            0xffffffUL
+#define ESID_MASK_1T           0xffffff0000000000UL
+#define GET_ESID_1T(x)         (((x) >> SID_SHIFT_1T) & SID_MASK_1T)
+
 #ifndef __ASSEMBLY__
 #include <asm/cache.h>
 
@@ -121,21 +126,21 @@ extern unsigned int get_slice_psize(struct mm_struct *mm,
 
 extern void slice_init_context(struct mm_struct *mm, unsigned int psize);
 extern void slice_set_user_psize(struct mm_struct *mm, unsigned int psize);
-
-#define ARCH_HAS_HUGEPAGE_ONLY_RANGE
-extern int is_hugepage_only_range(struct mm_struct *m,
-                                 unsigned long addr,
-                                 unsigned long len);
+#define slice_mm_new_context(mm)       ((mm)->context.id == 0)
 
 #endif /* __ASSEMBLY__ */
 #else
 #define slice_init()
+#define slice_set_user_psize(mm, psize)                \
+do {                                           \
+       (mm)->context.user_psize = (psize);     \
+       (mm)->context.sllp = SLB_VSID_USER | mmu_psize_defs[(psize)].sllp; \
+} while (0)
+#define slice_mm_new_context(mm)       1
 #endif /* CONFIG_PPC_MM_SLICES */
 
 #ifdef CONFIG_HUGETLB_PAGE
 
-#define ARCH_HAS_HUGETLB_FREE_PGD_RANGE
-#define ARCH_HAS_SETCLEAR_HUGE_PTE
 #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
 
 #endif /* !CONFIG_HUGETLB_PAGE */
@@ -170,5 +175,4 @@ extern int is_hugepage_only_range(struct mm_struct *m,
 
 #include <asm-generic/page.h>
 
-#endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_PAGE_64_H */