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yaml
---
r: 7033
b: refs/heads/master
c: 08964c5
h: refs/heads/master
i:
  7031: 84b744e
v: v3
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Jeff Dike authored and Linus Torvalds committed Sep 5, 2005
1 parent 0130499 commit 746db75
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Showing 4 changed files with 47 additions and 64 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: c56004901fa5dcf55f92318f192ab3c0e87db2d1
refs/heads/master: 08964c565b2fe49e338ffbe4907adcc19647ef16
27 changes: 0 additions & 27 deletions trunk/include/asm-um/pgtable-2level.h
Original file line number Diff line number Diff line change
Expand Up @@ -35,35 +35,8 @@
static inline int pgd_newpage(pgd_t pgd) { return 0; }
static inline void pgd_mkuptodate(pgd_t pgd) { }

#define pte_present(x) (pte_val(x) & (_PAGE_PRESENT | _PAGE_PROTNONE))

static inline pte_t pte_mknewprot(pte_t pte)
{
pte_val(pte) |= _PAGE_NEWPROT;
return(pte);
}

static inline pte_t pte_mknewpage(pte_t pte)
{
pte_val(pte) |= _PAGE_NEWPAGE;
return(pte);
}

static inline void set_pte(pte_t *pteptr, pte_t pteval)
{
/* If it's a swap entry, it needs to be marked _PAGE_NEWPAGE so
* fix_range knows to unmap it. _PAGE_NEWPROT is specific to
* mapped pages.
*/
*pteptr = pte_mknewpage(pteval);
if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr);
}
#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)

#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))

#define pte_page(x) pfn_to_page(pte_pfn(x))
#define pte_none(x) !(pte_val(x) & ~_PAGE_NEWPAGE)
#define pte_pfn(x) phys_to_pfn(pte_val(x))
#define pfn_pte(pfn, prot) __pte(pfn_to_phys(pfn) | pgprot_val(prot))
#define pfn_pmd(pfn, prot) __pmd(pfn_to_phys(pfn) | pgprot_val(prot))
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36 changes: 0 additions & 36 deletions trunk/include/asm-um/pgtable-3level.h
Original file line number Diff line number Diff line change
Expand Up @@ -57,35 +57,6 @@ static inline int pgd_newpage(pgd_t pgd)

static inline void pgd_mkuptodate(pgd_t pgd) { pgd_val(pgd) &= ~_PAGE_NEWPAGE; }


#define pte_present(x) pte_get_bits(x, (_PAGE_PRESENT | _PAGE_PROTNONE))

static inline pte_t pte_mknewprot(pte_t pte)
{
pte_set_bits(pte, _PAGE_NEWPROT);
return(pte);
}

static inline pte_t pte_mknewpage(pte_t pte)
{
pte_set_bits(pte, _PAGE_NEWPAGE);
return(pte);
}

static inline void set_pte(pte_t *pteptr, pte_t pteval)
{
pte_copy(*pteptr, pteval);

/* If it's a swap entry, it needs to be marked _PAGE_NEWPAGE so
* fix_range knows to unmap it. _PAGE_NEWPROT is specific to
* mapped pages.
*/

*pteptr = pte_mknewpage(*pteptr);
if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr);
}
#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)

#define set_pmd(pmdptr, pmdval) set_64bit((phys_t *) (pmdptr), pmd_val(pmdval))

static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
Expand Down Expand Up @@ -113,13 +84,6 @@ static inline void pud_clear (pud_t * pud) { }
#define pmd_offset(pud, address) ((pmd_t *) pud_page(*(pud)) + \
pmd_index(address))

#define pte_page(x) pfn_to_page(pte_pfn(x))

static inline int pte_none(pte_t pte)
{
return pte_is_zero(pte);
}

static inline unsigned long pte_pfn(pte_t pte)
{
return phys_to_pfn(pte_val(pte));
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46 changes: 46 additions & 0 deletions trunk/include/asm-um/pgtable.h
Original file line number Diff line number Diff line change
Expand Up @@ -153,10 +153,24 @@ extern unsigned long pg0[1024];

#define pmd_page(pmd) phys_to_page(pmd_val(pmd) & PAGE_MASK)

#define pte_page(x) pfn_to_page(pte_pfn(x))
#define pte_address(x) (__va(pte_val(x) & PAGE_MASK))
#define mk_phys(a, r) ((a) + (((unsigned long) r) << REGION_SHIFT))
#define phys_addr(p) ((p) & ~REGION_MASK)

#define pte_present(x) pte_get_bits(x, (_PAGE_PRESENT | _PAGE_PROTNONE))

/*
* =================================
* Flags checking section.
* =================================
*/

static inline int pte_none(pte_t pte)
{
return pte_is_zero(pte);
}

/*
* The following only work if pte_present() is true.
* Undefined behaviour if not..
Expand Down Expand Up @@ -212,6 +226,18 @@ static inline int pte_newprot(pte_t pte)
return(pte_present(pte) && (pte_get_bits(pte, _PAGE_NEWPROT)));
}

/*
* =================================
* Flags setting section.
* =================================
*/

static inline pte_t pte_mknewprot(pte_t pte)
{
pte_set_bits(pte, _PAGE_NEWPROT);
return(pte);
}

static inline pte_t pte_rdprotect(pte_t pte)
{
pte_clear_bits(pte, _PAGE_USER);
Expand Down Expand Up @@ -280,6 +306,26 @@ static inline pte_t pte_mkuptodate(pte_t pte)
return(pte);
}

static inline pte_t pte_mknewpage(pte_t pte)
{
pte_set_bits(pte, _PAGE_NEWPAGE);
return(pte);
}

static inline void set_pte(pte_t *pteptr, pte_t pteval)
{
pte_copy(*pteptr, pteval);

/* If it's a swap entry, it needs to be marked _PAGE_NEWPAGE so
* fix_range knows to unmap it. _PAGE_NEWPROT is specific to
* mapped pages.
*/

*pteptr = pte_mknewpage(*pteptr);
if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr);
}
#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)

extern phys_t page_to_phys(struct page *page);

/*
Expand Down

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