page table handling cleanup

Kill pte_rdprotect(), pte_exprotect(), pte_mkread(), pte_mkexec(), pte_read(),
pte_exec(), and pte_user() except where arch-specific code is making use of
them.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 12 deletions

diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index 5b523c7e7d99..22efffe45019 100644
--- a/include/asm-sh/pgtable.h
+++ b/include/asm-sh/pgtable.h
@@ -402,12 +402,8 @@ 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 +416,12 @@ 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