From: Hugh Dickins Date: Tue, 19 Apr 2005 20:29:23 +0000 (-0700) Subject: [PATCH] freepgt: arch FIRST_USER_ADDRESS 0 X-Git-Tag: v2.6.12-rc3~12 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d455a3696c72283923e6870e9e4fe1daa861d7cd;p=linux-2.6 [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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h index faae196d83..408aea55e0 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 957dd92d10..f7042944b0 100644 --- 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 cc1373c4b7..3c6d42a22d 100644 --- 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 488c2b4bef..5c725425d8 100644 --- 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 fecfd0f689..ea121a0023 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 70a0eb68fd..da805e9708 100644 --- 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 0eef32778d..0c87fc84f7 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 41a0df7d77..7fec93b76d 100644 --- 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 704b551f59..1011e0635f 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 af353a9bce..f001bb01e3 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 a67bd512b2..a38606d155 100644 --- 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 33b90e2aa4..a26120517c 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 1633cb75f0..df94f89038 100644 --- 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 8a9689d536..cd847a47a9 100644 --- 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 45f70c0f4a..525e1523ef 100644 --- 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 373a6c3275..40ed30a2b7 100644 --- 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 c930115748..af9bf175a2 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 61eb247342..9b3abc01d6 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 faf051c2c4..bdbc3f97e2 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 dc6b6f2604..db2a0efbf5 100644 --- 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