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authorJan Beulich <jbeulich@novell.com>2007-07-15 23:38:17 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:36 -0700
commit45e98cdb6d365b34b7a2d849e4d8bdc264d8e6e4 (patch)
tree172a959293a2c31691a162eca6af131e3ac89da2 /include/asm-i386
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')
-rw-r--r--include/asm-i386/pgtable-2level.h8
-rw-r--r--include/asm-i386/pgtable-3level.h17
-rw-r--r--include/asm-i386/pgtable.h6
3 files changed, 1 insertions, 30 deletions
diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h
index a50fd1773de..84b03cf56a7 100644
--- a/include/asm-i386/pgtable-2level.h
+++ b/include/asm-i386/pgtable-2level.h
@@ -57,14 +57,6 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp)
#define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
/*
- * All present user pages are user-executable:
- */
-static inline int pte_exec(pte_t pte)
-{
- return pte_user(pte);
-}
-
-/*
* All present pages are kernel-executable:
*/
static inline int pte_exec_kernel(pte_t pte)
diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index eb0f1d7e96a..948a3341411 100644
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -20,26 +20,11 @@
#define pud_present(pud) 1
/*
- * Is the pte executable?
- */
-static inline int pte_x(pte_t pte)
-{
- return !(pte_val(pte) & _PAGE_NX);
-}
-
-/*
- * All present user-pages with !NX bit are user-executable:
- */
-static inline int pte_exec(pte_t pte)
-{
- return pte_user(pte) && pte_x(pte);
-}
-/*
* All present pages with !NX bit are kernel-executable:
*/
static inline int pte_exec_kernel(pte_t pte)
{
- return pte_x(pte);
+ return !(pte_val(pte) & _PAGE_NX);
}
/* Rules for using set_pte: the pte being assigned *must* be
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index 628fa7747d0..0efa8063a3e 100644
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -218,8 +218,6 @@ extern unsigned long pg0[];
* The following only work if pte_present() is true.
* Undefined behaviour if not..
*/
-static inline int pte_user(pte_t pte) { return (pte).pte_low & _PAGE_USER; }
-static inline int pte_read(pte_t pte) { return (pte).pte_low & _PAGE_USER; }
static inline int pte_dirty(pte_t pte) { return (pte).pte_low & _PAGE_DIRTY; }
static inline int pte_young(pte_t pte) { return (pte).pte_low & _PAGE_ACCESSED; }
static inline int pte_write(pte_t pte) { return (pte).pte_low & _PAGE_RW; }
@@ -230,13 +228,9 @@ static inline int pte_huge(pte_t pte) { return (pte).pte_low & _PAGE_PSE; }
*/
static inline int pte_file(pte_t pte) { return (pte).pte_low & _PAGE_FILE; }
-static inline pte_t pte_rdprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_USER; return pte; }
-static inline pte_t pte_exprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_USER; return pte; }
static inline pte_t pte_mkclean(pte_t pte) { (pte).pte_low &= ~_PAGE_DIRTY; return pte; }
static inline pte_t pte_mkold(pte_t pte) { (pte).pte_low &= ~_PAGE_ACCESSED; return pte; }
static inline pte_t pte_wrprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_RW; return pte; }
-static inline pte_t pte_mkread(pte_t pte) { (pte).pte_low |= _PAGE_USER; return pte; }
-static inline pte_t pte_mkexec(pte_t pte) { (pte).pte_low |= _PAGE_USER; return pte; }
static inline pte_t pte_mkdirty(pte_t pte) { (pte).pte_low |= _PAGE_DIRTY; return pte; }
static inline pte_t pte_mkyoung(pte_t pte) { (pte).pte_low |= _PAGE_ACCESSED; return pte; }
static inline pte_t pte_mkwrite(pte_t pte) { (pte).pte_low |= _PAGE_RW; return pte; }