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mm: remove ptep_establish()

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The last user of ptep_establish in mm/ is long gone.  Remove the architecture
primitive as well.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Martin Schwidefsky
2007-07-17 04:03:03 -07:00
committed by Linus Torvalds
parent 5ee403f584
commit f0e47c229b
5 changed files with 26 additions and 59 deletions
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43
include/asm-s390/pgtable.h
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@@ -707,16 +707,19 @@ static inline void __ptep_ipte(unsigned long address, pte_t *ptep)
pte_val(*ptep) = _PAGE_TYPE_EMPTY;
}
static inline pte_t
ptep_clear_flush(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep)
static inline void ptep_invalidate(unsigned long address, pte_t *ptep)
{
__ptep_ipte(address, ptep);
ptep = get_shadow_pte(ptep);
if (ptep)
__ptep_ipte(address, ptep);
}
static inline pte_t ptep_clear_flush(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep)
{
pte_t pte = *ptep;
pte_t *shadow_pte = get_shadow_pte(ptep);
__ptep_ipte(address, ptep);
if (shadow_pte)
__ptep_ipte(address, shadow_pte);
ptep_invalidate(address, ptep);
return pte;
}
@@ -726,21 +729,14 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
set_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
}
static inline void
ptep_establish(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep,
pte_t entry)
{
ptep_clear_flush(vma, address, ptep);
set_pte(ptep, entry);
}
#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
({ \
int __changed = !pte_same(*(__ptep), __entry); \
if (__changed) \
ptep_establish(__vma, __address, __ptep, __entry); \
__changed; \
#define ptep_set_access_flags(__vma, __addr, __ptep, __entry, __dirty) \
({ \
int __changed = !pte_same(*(__ptep), __entry); \
if (__changed) { \
ptep_invalidate(__addr, __ptep); \
set_pte_at((__vma)->vm_mm, __addr, __ptep, __entry); \
} \
__changed; \
})
/*
@@ -940,7 +936,6 @@ extern int remove_shared_memory(unsigned long start, unsigned long size);
#define __HAVE_ARCH_MEMMAP_INIT
extern void memmap_init(unsigned long, int, unsigned long, unsigned long);
#define __HAVE_ARCH_PTEP_ESTABLISH
#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH