[PATCH] freepgt: arch FIRST_USER_ADDRESS 0
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>
diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h
index faae196..408aea5 100644
--- 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
--- a/include/asm-cris/pgtable.h
+++ b/include/asm-cris/pgtable.h
@@ -76,7 +76,7 @@
*/
#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
--- a/include/asm-frv/pgtable.h
+++ b/include/asm-frv/pgtable.h
@@ -141,7 +141,7 @@
#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
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -60,7 +60,7 @@
#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
--- 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
--- a/include/asm-m32r/pgtable.h
+++ b/include/asm-m32r/pgtable.h
@@ -51,7 +51,7 @@
#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
--- 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
--- a/include/asm-mips/pgtable-32.h
+++ b/include/asm-mips/pgtable-32.h
@@ -74,7 +74,7 @@
#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
--- 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
--- 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
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -96,7 +96,7 @@
#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 33b90e2a..a261205 100644
--- 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
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -95,14 +95,14 @@
# 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
--- a/include/asm-sh/pgtable.h
+++ b/include/asm-sh/pgtable.h
@@ -44,7 +44,7 @@
#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
--- a/include/asm-sh64/pgtable.h
+++ b/include/asm-sh64/pgtable.h
@@ -238,7 +238,7 @@
/* 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
--- a/include/asm-sparc/pgtable.h
+++ b/include/asm-sparc/pgtable.h
@@ -63,7 +63,7 @@
#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
--- 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
--- 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
--- 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
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -114,7 +114,7 @@
#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