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[PATCH] freepgt: arch FIRST_USER_ADDRESS 0
authorHugh Dickins <hugh@veritas.com>
Tue, 19 Apr 2005 20:29:23 +0000 (13:29 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org.(none)>
Tue, 19 Apr 2005 20:29:23 +0000 (13:29 -0700)
Replace misleading definition of FIRST_USER_PGD_NR 0 by definition of
FIRST_USER_ADDRESS 0 in all the MMU architectures beyond arm and arm26.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
20 files changed:
include/asm-alpha/pgtable.h patch | blob | history
include/asm-cris/pgtable.h patch | blob | history
include/asm-frv/pgtable.h patch | blob | history
include/asm-i386/pgtable.h patch | blob | history
include/asm-ia64/pgtable.h patch | blob | history
include/asm-m32r/pgtable.h patch | blob | history
include/asm-m68k/pgtable.h patch | blob | history
include/asm-mips/pgtable-32.h patch | blob | history
include/asm-mips/pgtable-64.h patch | blob | history
include/asm-parisc/pgtable.h patch | blob | history
include/asm-ppc/pgtable.h patch | blob | history
include/asm-ppc64/pgtable.h patch | blob | history
include/asm-s390/pgtable.h patch | blob | history
include/asm-sh/pgtable.h patch | blob | history
include/asm-sh64/pgtable.h patch | blob | history
include/asm-sparc/pgtable.h patch | blob | history
include/asm-sparc64/pgtable.h patch | blob | history
include/asm-um/pgtable-2level.h patch | blob | history
include/asm-um/pgtable-3level.h patch | blob | history
include/asm-x86_64/pgtable.h patch | blob | history

diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h
index faae196..408aea5 100644 (file)
--- a/include/asm-alpha/pgtable.h
+++ b/include/asm-alpha/pgtable.h
@@ -42,7 +42,7 @@
 #define PTRS_PER_PMD   (1UL << (PAGE_SHIFT-3))
 #define PTRS_PER_PGD   (1UL << (PAGE_SHIFT-3))
 #define USER_PTRS_PER_PGD      (TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 /* Number of pointers that fit on a page:  this will go away. */
 #define PTRS_PER_PAGE  (1UL << (PAGE_SHIFT-3))
diff --git a/include/asm-cris/pgtable.h b/include/asm-cris/pgtable.h
index 957dd92..f704294 100644 (file)
--- a/include/asm-cris/pgtable.h
+++ b/include/asm-cris/pgtable.h
@@ -76,7 +76,7 @@ extern void paging_init(void);
  */
 
 #define USER_PTRS_PER_PGD       (TASK_SIZE/PGDIR_SIZE)
-#define FIRST_USER_PGD_NR       0
+#define FIRST_USER_ADDRESS      0
 
 /* zero page used for uninitialized stuff */
 #ifndef __ASSEMBLY__
diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h
index cc1373c..3c6d42a 100644 (file)
--- a/include/asm-frv/pgtable.h
+++ b/include/asm-frv/pgtable.h
@@ -141,7 +141,7 @@ extern unsigned long empty_zero_page;
 #define PTRS_PER_PTE           4096
 
 #define USER_PGDS_IN_LAST_PML4 (TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #define USER_PGD_PTRS          (PAGE_OFFSET >> PGDIR_SHIFT)
 #define KERNEL_PGD_PTRS                (PTRS_PER_PGD - USER_PGD_PTRS)
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index 488c2b4..5c72542 100644 (file)
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -60,7 +60,7 @@ void paging_init(void);
 #define PGDIR_MASK     (~(PGDIR_SIZE-1))
 
 #define USER_PTRS_PER_PGD      (TASK_SIZE/PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT)
 #define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS)
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index fecfd0f..ea121a0 100644 (file)
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -93,7 +93,7 @@
 #define PGDIR_MASK             (~(PGDIR_SIZE-1))
 #define PTRS_PER_PGD           (1UL << (PAGE_SHIFT-3))
 #define USER_PTRS_PER_PGD      (5*PTRS_PER_PGD/8)      /* regions 0-4 are user regions */
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 /*
  * Definitions for second level:
diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h
index 70a0eb6..da805e9 100644 (file)
--- a/include/asm-m32r/pgtable.h
+++ b/include/asm-m32r/pgtable.h
@@ -51,7 +51,7 @@ extern unsigned long empty_zero_page[1024];
 #define PGDIR_MASK     (~(PGDIR_SIZE - 1))
 
 #define USER_PTRS_PER_PGD      (TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #ifndef __ASSEMBLY__
 /* Just any arbitrary offset to the start of the vmalloc VM area: the
diff --git a/include/asm-m68k/pgtable.h b/include/asm-m68k/pgtable.h
index 0eef327..0c87fc8 100644 (file)
--- a/include/asm-m68k/pgtable.h
+++ b/include/asm-m68k/pgtable.h
@@ -61,7 +61,7 @@
 #define PTRS_PER_PGD   128
 #endif
 #define USER_PTRS_PER_PGD      (TASK_SIZE/PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 /* Virtual address region for use by kernel_map() */
 #ifdef CONFIG_SUN3
diff --git a/include/asm-mips/pgtable-32.h b/include/asm-mips/pgtable-32.h
index 41a0df7..7fec93b 100644 (file)
--- a/include/asm-mips/pgtable-32.h
+++ b/include/asm-mips/pgtable-32.h
@@ -74,7 +74,7 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
 #define PTRS_PER_PTE   ((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))
 
 #define USER_PTRS_PER_PGD      (0x80000000UL/PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #define VMALLOC_START     KSEG2
 
diff --git a/include/asm-mips/pgtable-64.h b/include/asm-mips/pgtable-64.h
index 704b551..1011e06 100644 (file)
--- a/include/asm-mips/pgtable-64.h
+++ b/include/asm-mips/pgtable-64.h
@@ -89,7 +89,7 @@
 #define PTRS_PER_PTE   ((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))
 
 #define USER_PTRS_PER_PGD      (TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #define VMALLOC_START          XKSEG
 #define VMALLOC_END    \
diff --git a/include/asm-parisc/pgtable.h b/include/asm-parisc/pgtable.h
index af353a9..f001bb0 100644 (file)
--- a/include/asm-parisc/pgtable.h
+++ b/include/asm-parisc/pgtable.h
@@ -120,7 +120,7 @@
  * pgd entries used up by user/kernel:
  */
 
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #ifndef __ASSEMBLY__
 extern  void *vmalloc_start;
diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h
index a67bd51..a38606d 100644 (file)
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -96,7 +96,7 @@ extern unsigned long ioremap_bot, ioremap_base;
 #define PTRS_PER_PGD   (1 << (32 - PGDIR_SHIFT))
 
 #define USER_PTRS_PER_PGD      (TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT)
 #define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS)
diff --git a/include/asm-ppc64/pgtable.h b/include/asm-ppc64/pgtable.h
index 33b90e2..a261205 100644 (file)
--- a/include/asm-ppc64/pgtable.h
+++ b/include/asm-ppc64/pgtable.h
@@ -41,7 +41,7 @@
 #define PTRS_PER_PGD   (1 << PGD_INDEX_SIZE)
 
 #define USER_PTRS_PER_PGD      (1024)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #define EADDR_SIZE (PTE_INDEX_SIZE + PMD_INDEX_SIZE + \
                     PGD_INDEX_SIZE + PAGE_SHIFT) 
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 1633cb7..df94f89 100644 (file)
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -95,14 +95,14 @@ extern char empty_zero_page[PAGE_SIZE];
 # define USER_PTRS_PER_PGD  512
 # define USER_PGD_PTRS      512
 # define KERNEL_PGD_PTRS    512
-# define FIRST_USER_PGD_NR  0
 #else /* __s390x__ */
 # define USER_PTRS_PER_PGD  2048
 # define USER_PGD_PTRS      2048
 # define KERNEL_PGD_PTRS    2048
-# define FIRST_USER_PGD_NR  0
 #endif /* __s390x__ */
 
+#define FIRST_USER_ADDRESS  0
+
 #define pte_ERROR(e) \
        printk("%s:%d: bad pte %p.\n", __FILE__, __LINE__, (void *) pte_val(e))
 #define pmd_ERROR(e) \
diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index 8a9689d..cd847a4 100644 (file)
--- a/include/asm-sh/pgtable.h
+++ b/include/asm-sh/pgtable.h
@@ -44,7 +44,7 @@ extern unsigned long empty_zero_page[1024];
 #define PGDIR_MASK     (~(PGDIR_SIZE-1))
 
 #define USER_PTRS_PER_PGD      (TASK_SIZE/PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #define PTE_PHYS_MASK  0x1ffff000
 
diff --git a/include/asm-sh64/pgtable.h b/include/asm-sh64/pgtable.h
index 45f70c0..525e152 100644 (file)
--- a/include/asm-sh64/pgtable.h
+++ b/include/asm-sh64/pgtable.h
@@ -238,7 +238,7 @@ static inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
 
 /* Round it up ! */
 #define USER_PTRS_PER_PGD      ((TASK_SIZE+PGDIR_SIZE-1)/PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #ifndef __ASSEMBLY__
 #define VMALLOC_END    0xff000000
diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h
index 373a6c3..40ed30a 100644 (file)
--- a/include/asm-sparc/pgtable.h
+++ b/include/asm-sparc/pgtable.h
@@ -63,7 +63,7 @@ BTFIXUPDEF_INT(page_kernel)
 #define PTRS_PER_PMD           BTFIXUP_SIMM13(ptrs_per_pmd)
 #define PTRS_PER_PGD           BTFIXUP_SIMM13(ptrs_per_pgd)
 #define USER_PTRS_PER_PGD      BTFIXUP_SIMM13(user_ptrs_per_pgd)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 #define PTE_SIZE               (PTRS_PER_PTE*4)
 
 #define PAGE_NONE      __pgprot(BTFIXUP_INT(page_none))
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index c930115..af9bf17 100644 (file)
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -78,7 +78,7 @@
 #define PTRS_PER_PGD   (1UL << PGDIR_BITS)
 
 /* Kernel has a separate 44bit address space. */
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #define pte_ERROR(e)   __builtin_trap()
 #define pmd_ERROR(e)   __builtin_trap()
diff --git a/include/asm-um/pgtable-2level.h b/include/asm-um/pgtable-2level.h
index 61eb247..9b3abc0 100644 (file)
--- a/include/asm-um/pgtable-2level.h
+++ b/include/asm-um/pgtable-2level.h
@@ -23,7 +23,7 @@
 #define PTRS_PER_PTE   1024
 #define USER_PTRS_PER_PGD ((TASK_SIZE + (PGDIR_SIZE - 1)) / PGDIR_SIZE)
 #define PTRS_PER_PGD   1024
-#define FIRST_USER_PGD_NR       0
+#define FIRST_USER_ADDRESS     0
 
 #define pte_ERROR(e) \
         printk("%s:%d: bad pte %p(%08lx).\n", __FILE__, __LINE__, &(e), \
diff --git a/include/asm-um/pgtable-3level.h b/include/asm-um/pgtable-3level.h
index faf051c..bdbc3f9 100644 (file)
--- a/include/asm-um/pgtable-3level.h
+++ b/include/asm-um/pgtable-3level.h
@@ -31,7 +31,7 @@
 #define PTRS_PER_PMD 512
 #define USER_PTRS_PER_PGD ((TASK_SIZE + (PGDIR_SIZE - 1)) / PGDIR_SIZE)
 #define PTRS_PER_PGD 512
-#define FIRST_USER_PGD_NR       0
+#define FIRST_USER_ADDRESS     0
 
 #define pte_ERROR(e) \
         printk("%s:%d: bad pte %p(%016lx).\n", __FILE__, __LINE__, &(e), \
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index dc6b6f2..db2a0ef 100644 (file)
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -114,7 +114,7 @@ extern inline void pgd_clear (pgd_t * pgd)
 #define PGDIR_MASK     (~(PGDIR_SIZE-1))
 
 #define USER_PTRS_PER_PGD      (TASK_SIZE/PGDIR_SIZE)
-#define FIRST_USER_PGD_NR      0
+#define FIRST_USER_ADDRESS     0
 
 #ifndef __ASSEMBLY__
 #define MAXMEM          0x3fffffffffffUL
Domain: System / Kernel;