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[PATCH] freepgt: arch FIRST_USER_ADDRESS 0

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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>
This commit is contained in:
Hugh Dickins 2005-04-19 13:29:23 -07:00 committed by Linus Torvalds
parent cdfb82fff3
commit d455a3696c
20 changed files with 21 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/asm-alpha/pgtable.h
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@ -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))

2
include/asm-cris/pgtable.h
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@ -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__

2
include/asm-frv/pgtable.h
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@ -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)

2
include/asm-i386/pgtable.h
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@ -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)

2
include/asm-ia64/pgtable.h
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@ -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:

2
include/asm-m32r/pgtable.h
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@ -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

2
include/asm-m68k/pgtable.h
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@ -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

2
include/asm-mips/pgtable-32.h
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@ -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

2
include/asm-mips/pgtable-64.h
View File

@ -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 \

2
include/asm-parisc/pgtable.h
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@ -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;

2
include/asm-ppc/pgtable.h
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@ -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)

2
include/asm-ppc64/pgtable.h
View File

@ -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)

4
include/asm-s390/pgtable.h
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@ -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) \

2
include/asm-sh/pgtable.h
View File

@ -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

2
include/asm-sh64/pgtable.h
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@ -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

2
include/asm-sparc/pgtable.h
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@ -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))

2
include/asm-sparc64/pgtable.h
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@ -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()

2
include/asm-um/pgtable-2level.h
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@ -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), \

2
include/asm-um/pgtable-3level.h
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@ -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), \

2
include/asm-x86_64/pgtable.h
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@ -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