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o Retire pmap_pageable(). It's an advisory routine that none

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of our platforms implements.
This commit is contained in:
Alan Cox 2002-08-25 04:20:05 +00:00
parent 10f23b4ad0
commit 6508a194aa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=102399
10 changed files with 0 additions and 139 deletions
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23
sys/alpha/alpha/pmap.c
View file

@ -2556,29 +2556,6 @@ pmap_copy_page(vm_page_t msrc, vm_page_t mdst)
bcopy((caddr_t) src, (caddr_t) dst, PAGE_SIZE);
}
/*
* Routine: pmap_pageable
* Function:
* Make the specified pages (by pmap, offset)
* pageable (or not) as requested.
*
* A page which is not pageable may not take
* a fault; therefore, its page table entry
* must remain valid for the duration.
*
* This routine is merely advisory; pmap_enter
* will specify that these pages are to be wired
* down (or not) as appropriate.
*/
void
pmap_pageable(pmap, sva, eva, pageable)
pmap_t pmap;
vm_offset_t sva, eva;
boolean_t pageable;
{
}
/*
* Returns true if the pmap's pv is one of the first
* 16 pvs linked to from this page. This count may

23
sys/amd64/amd64/pmap.c
View file

@ -2865,29 +2865,6 @@ pmap_copy_page(vm_page_t src, vm_page_t dst)
*CMAP2 = 0;
}
/*
* Routine: pmap_pageable
* Function:
* Make the specified pages (by pmap, offset)
* pageable (or not) as requested.
*
* A page which is not pageable may not take
* a fault; therefore, its page table entry
* must remain valid for the duration.
*
* This routine is merely advisory; pmap_enter
* will specify that these pages are to be wired
* down (or not) as appropriate.
*/
void
pmap_pageable(pmap, sva, eva, pageable)
pmap_t pmap;
vm_offset_t sva, eva;
boolean_t pageable;
{
}
/*
* Returns true if the pmap's pv is one of the first
* 16 pvs linked to from this page. This count may

23
sys/i386/i386/pmap.c
View file

@ -2865,29 +2865,6 @@ pmap_copy_page(vm_page_t src, vm_page_t dst)
*CMAP2 = 0;
}
/*
* Routine: pmap_pageable
* Function:
* Make the specified pages (by pmap, offset)
* pageable (or not) as requested.
*
* A page which is not pageable may not take
* a fault; therefore, its page table entry
* must remain valid for the duration.
*
* This routine is merely advisory; pmap_enter
* will specify that these pages are to be wired
* down (or not) as appropriate.
*/
void
pmap_pageable(pmap, sva, eva, pageable)
pmap_t pmap;
vm_offset_t sva, eva;
boolean_t pageable;
{
}
/*
* Returns true if the pmap's pv is one of the first
* 16 pvs linked to from this page. This count may

21
sys/ia64/ia64/pmap.c
View file

@ -2075,27 +2075,6 @@ pmap_copy_page(vm_page_t msrc, vm_page_t mdst)
bcopy((caddr_t) src, (caddr_t) dst, PAGE_SIZE);
}
/*
* Routine: pmap_pageable
* Function:
* Make the specified pages (by pmap, offset)
* pageable (or not) as requested.
*
* A page which is not pageable may not take
* a fault; therefore, its page table entry
* must remain valid for the duration.
*
* This routine is merely advisory; pmap_enter
* will specify that these pages are to be wired
* down (or not) as appropriate.
*/
void
pmap_pageable(pmap_t pmap, vm_offset_t sva, vm_offset_t eva,
boolean_t pageable)
{
}
/*
* Returns true if the pmap's pv is one of the first
* 16 pvs linked to from this page. This count may

9
sys/powerpc/aim/mmu_oea.c
View file

@ -1279,15 +1279,6 @@ pmap_page_protect(vm_page_t m, vm_prot_t prot)
}
}
/*
* Make the specified page pageable (or not). Unneeded.
*/
void
pmap_pageable(pmap_t pmap, vm_offset_t sva, vm_offset_t eva,
boolean_t pageable)
{
}
/*
* Returns true if the pmap's pv is one of the first
* 16 pvs linked to from this page. This count may

9
sys/powerpc/powerpc/mmu_oea.c
View file

@ -1279,15 +1279,6 @@ pmap_page_protect(vm_page_t m, vm_prot_t prot)
}
}
/*
* Make the specified page pageable (or not). Unneeded.
*/
void
pmap_pageable(pmap_t pmap, vm_offset_t sva, vm_offset_t eva,
boolean_t pageable)
{
}
/*
* Returns true if the pmap's pv is one of the first
* 16 pvs linked to from this page. This count may

9
sys/powerpc/powerpc/pmap.c
View file

@ -1279,15 +1279,6 @@ pmap_page_protect(vm_page_t m, vm_prot_t prot)
}
}
/*
* Make the specified page pageable (or not). Unneeded.
*/
void
pmap_pageable(pmap_t pmap, vm_offset_t sva, vm_offset_t eva,
boolean_t pageable)
{
}
/*
* Returns true if the pmap's pv is one of the first
* 16 pvs linked to from this page. This count may

9
sys/sparc64/sparc64/pmap.c
View file

@ -1596,15 +1596,6 @@ pmap_copy_page(vm_page_t msrc, vm_page_t mdst)
bcopy((void *)src, (void *)dst, PAGE_SIZE);
}
/*
* Make the specified page pageable (or not). Unneeded.
*/
void
pmap_pageable(pmap_t pmap, vm_offset_t sva, vm_offset_t eva,
boolean_t pageable)
{
}
/*
* Returns true if the pmap's pv is one of the first
* 16 pvs linked to from this page. This count may

1
sys/vm/pmap.h
View file

@ -113,7 +113,6 @@ void pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
int pagelimit);
boolean_t pmap_page_exists_quick(pmap_t pmap, vm_page_t m);
void pmap_page_protect(vm_page_t m, vm_prot_t prot);
void pmap_pageable(pmap_t, vm_offset_t, vm_offset_t, boolean_t);
vm_offset_t pmap_phys_address(int);
void pmap_pinit(pmap_t);
void pmap_pinit0(pmap_t);

12
sys/vm/vm_fault.c
View file

@ -931,12 +931,6 @@ vm_fault_wire(map, start, end, user_wire)
vm_offset_t va;
int rv;
/*
* Inform the physical mapping system that the range of addresses may
* not fault, so that page tables and such can be locked down as well.
*/
pmap_pageable(map->pmap, start, end, FALSE);
/*
* We simulate a fault to get the page and enter it in the physical
* map. For user wiring, we only ask for read access on currently
@ -985,12 +979,6 @@ vm_fault_unwire(map, start, end)
}
}
mtx_unlock(&Giant);
/*
* Inform the physical mapping system that the range of addresses may
* fault, so that page tables and such may be unwired themselves.
*/
pmap_pageable(pmap, start, end, TRUE);
}
/*