diff options
Diffstat (limited to 'include/asm-sh/pgtable.h')
| -rw-r--r-- | include/asm-sh/pgtable.h | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h index 5b523c7e7d99..e3fae12c0e49 100644 --- a/include/asm-sh/pgtable.h +++ b/include/asm-sh/pgtable.h @@ -55,11 +55,7 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; #define PTE_PHYS_MASK (0x20000000 - PAGE_SIZE) -/* - * First 1MB map is used by fixed purpose. - * Currently only 4-entry (16kB) is used (see arch/sh/mm/cache.c) - */ -#define VMALLOC_START (P3SEG+0x00100000) +#define VMALLOC_START (P3SEG) #define VMALLOC_END (FIXADDR_START-2*PAGE_SIZE) /* @@ -402,12 +398,8 @@ static inline void set_pte(pte_t *ptep, pte_t pte) #define pte_file(pte) (pte_val(pte) & _PAGE_FILE) #ifdef CONFIG_X2TLB -#define pte_read(pte) ((pte).pte_high & _PAGE_EXT_USER_READ) -#define pte_exec(pte) ((pte).pte_high & _PAGE_EXT_USER_EXEC) #define pte_write(pte) ((pte).pte_high & _PAGE_EXT_USER_WRITE) #else -#define pte_read(pte) (pte_val(pte) & _PAGE_USER) -#define pte_exec(pte) (pte_val(pte) & _PAGE_USER) #define pte_write(pte) (pte_val(pte) & _PAGE_RW) #endif @@ -420,20 +412,12 @@ static inline pte_t pte_##fn(pte_t pte) { pte.pte_##h op; return pte; } * individually toggled (and user permissions are entirely decoupled from * kernel permissions), we attempt to couple them a bit more sanely here. */ -PTE_BIT_FUNC(high, rdprotect, &= ~_PAGE_EXT_USER_READ); -PTE_BIT_FUNC(high, mkread, |= _PAGE_EXT_USER_READ | _PAGE_EXT_KERN_READ); PTE_BIT_FUNC(high, wrprotect, &= ~_PAGE_EXT_USER_WRITE); PTE_BIT_FUNC(high, mkwrite, |= _PAGE_EXT_USER_WRITE | _PAGE_EXT_KERN_WRITE); -PTE_BIT_FUNC(high, exprotect, &= ~_PAGE_EXT_USER_EXEC); -PTE_BIT_FUNC(high, mkexec, |= _PAGE_EXT_USER_EXEC | _PAGE_EXT_KERN_EXEC); PTE_BIT_FUNC(high, mkhuge, |= _PAGE_SZHUGE); #else -PTE_BIT_FUNC(low, rdprotect, &= ~_PAGE_USER); -PTE_BIT_FUNC(low, mkread, |= _PAGE_USER); PTE_BIT_FUNC(low, wrprotect, &= ~_PAGE_RW); PTE_BIT_FUNC(low, mkwrite, |= _PAGE_RW); -PTE_BIT_FUNC(low, exprotect, &= ~_PAGE_USER); -PTE_BIT_FUNC(low, mkexec, |= _PAGE_USER); PTE_BIT_FUNC(low, mkhuge, |= _PAGE_SZHUGE); #endif |