aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-i386/pgtable-3level.h
diff options
context:
space:
mode:
authorJan Beulich <jbeulich@novell.com>2007-07-16 02:38:17 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 12:05:36 -0400
commit45e98cdb6d365b34b7a2d849e4d8bdc264d8e6e4 (patch)
tree172a959293a2c31691a162eca6af131e3ac89da2 /include/asm-i386/pgtable-3level.h
parent98011f569e2ae1e4ae394f6e23faa16676d50de4 (diff)
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>
Diffstat (limited to 'include/asm-i386/pgtable-3level.h')
-rw-r--r--include/asm-i386/pgtable-3level.h17
1 files changed, 1 insertions, 16 deletions
diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index eb0f1d7e96a1..948a33414118 100644
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -20,26 +20,11 @@
20#define pud_present(pud) 1 20#define pud_present(pud) 1
21 21
22/* 22/*
23 * Is the pte executable?
24 */
25static inline int pte_x(pte_t pte)
26{
27 return !(pte_val(pte) & _PAGE_NX);
28}
29
30/*
31 * All present user-pages with !NX bit are user-executable:
32 */
33static inline int pte_exec(pte_t pte)
34{
35 return pte_user(pte) && pte_x(pte);
36}
37/*
38 * All present pages with !NX bit are kernel-executable: 23 * All present pages with !NX bit are kernel-executable:
39 */ 24 */
40static inline int pte_exec_kernel(pte_t pte) 25static inline int pte_exec_kernel(pte_t pte)
41{ 26{
42 return pte_x(pte); 27 return !(pte_val(pte) & _PAGE_NX);
43} 28}
44 29
45/* Rules for using set_pte: the pte being assigned *must* be 30/* Rules for using set_pte: the pte being assigned *must* be