diff options
author | Jan Beulich <jbeulich@novell.com> | 2007-07-16 02:38:17 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 12:05:36 -0400 |
commit | 45e98cdb6d365b34b7a2d849e4d8bdc264d8e6e4 (patch) | |
tree | 172a959293a2c31691a162eca6af131e3ac89da2 /include/asm-i386/pgtable-3level.h | |
parent | 98011f569e2ae1e4ae394f6e23faa16676d50de4 (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.h | 17 |
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 | */ | ||
25 | static 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 | */ | ||
33 | static 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 | */ |
40 | static inline int pte_exec_kernel(pte_t pte) | 25 | static 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 |