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Retire pmap_addr_hint(). It is no longer used.

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This commit is contained in:
Alan Cox 2008-05-18 04:16:57 +00:00
parent 5d6ab21196
commit 1ec1304bdb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=179081
11 changed files with 24 additions and 87 deletions
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12
sys/amd64/amd64/pmap.c
View File

@ -4458,18 +4458,6 @@ if (oldpmap) /* XXX FIXME */
critical_exit();
}
vm_offset_t
pmap_addr_hint(vm_object_t obj, vm_offset_t addr, vm_size_t size)
{
if ((obj == NULL) || (size < NBPDR) || (obj->type != OBJT_DEVICE)) {
return addr;
}
addr = (addr + (NBPDR - 1)) & ~(NBPDR - 1);
return addr;
}
/*
* Increase the starting virtual address of the given mapping if a
* different alignment might result in more superpage mappings.

7
sys/arm/arm/pmap.c
View File

@ -4348,13 +4348,6 @@ pmap_mincore(pmap_t pmap, vm_offset_t addr)
}
vm_offset_t
pmap_addr_hint(vm_object_t obj, vm_offset_t addr, vm_size_t size)
{
return(addr);
}
/*
* Increase the starting virtual address of the given mapping if a
* different alignment might result in more superpage mappings.

12
sys/i386/i386/pmap.c
View File

@ -4586,18 +4586,6 @@ pmap_activate(struct thread *td)
critical_exit();
}
vm_offset_t
pmap_addr_hint(vm_object_t obj, vm_offset_t addr, vm_size_t size)
{
if ((obj == NULL) || (size < NBPDR) || (obj->type != OBJT_DEVICE)) {
return addr;
}
addr = (addr + PDRMASK) & ~PDRMASK;
return addr;
}
/*
* Increase the starting virtual address of the given mapping if a
* different alignment might result in more superpage mappings.

7
sys/ia64/ia64/pmap.c
View File

@ -2259,13 +2259,6 @@ pmap_switch(pmap_t pm)
return (prevpm);
}
vm_offset_t
pmap_addr_hint(vm_object_t obj, vm_offset_t addr, vm_size_t size)
{
return addr;
}
/*
* Increase the starting virtual address of the given mapping if a
* different alignment might result in more superpage mappings.

27
sys/mips/mips/pmap.c
View File

@ -2838,19 +2838,6 @@ pmap_activate(struct thread *td)
critical_exit();
}
/* TBD */
vm_offset_t
pmap_addr_hint(vm_object_t obj, vm_offset_t addr, vm_size_t size)
{
if ((obj == NULL) || (size < NBSEG) || (obj->type != OBJT_DEVICE)) {
return addr;
}
addr = (addr + (NBSEG - 1)) & ~(NBSEG - 1);
return addr;
}
/*
* Increase the starting virtual address of the given mapping if a
* different alignment might result in more superpage mappings.
@ -2859,6 +2846,20 @@ void
pmap_align_superpage(vm_object_t object, vm_ooffset_t offset,
vm_offset_t *addr, vm_size_t size)
{
vm_offset_t superpage_offset;
if (size < NBSEG)
return;
if (object != NULL && (object->flags & OBJ_COLORED) != 0)
offset += ptoa(object->pg_color);
superpage_offset = offset & SEGOFSET;
if (size - ((NBSEG - superpage_offset) & SEGOFSET) < NBSEG ||
(*addr & SEGOFSET) == superpage_offset)
return;
if ((*addr & SEGOFSET) < superpage_offset)
*addr = (*addr & ~SEGOFSET) + superpage_offset;
else
*addr = ((*addr + SEGOFSET) & ~SEGOFSET) + superpage_offset;
}
int pmap_pid_dump(int pid);

10
sys/powerpc/booke/pmap.c
View File

@ -269,7 +269,6 @@ static struct ptbl_buf *ptbl_bufs;
/*
* Kernel MMU interface
*/
static vm_offset_t mmu_booke_addr_hint(mmu_t, vm_object_t, vm_offset_t, vm_size_t);
static void mmu_booke_change_wiring(mmu_t, pmap_t, vm_offset_t, boolean_t);
static void mmu_booke_clear_modify(mmu_t, vm_page_t);
static void mmu_booke_clear_reference(mmu_t, vm_page_t);
@ -323,7 +322,6 @@ static boolean_t mmu_booke_page_executable(mmu_t, vm_page_t);
static mmu_method_t mmu_booke_methods[] = {
/* pmap dispatcher interface */
MMUMETHOD(mmu_addr_hint, mmu_booke_addr_hint),
MMUMETHOD(mmu_change_wiring, mmu_booke_change_wiring),
MMUMETHOD(mmu_clear_modify, mmu_booke_clear_modify),
MMUMETHOD(mmu_clear_reference, mmu_booke_clear_reference),
@ -2320,14 +2318,6 @@ mmu_booke_mincore(mmu_t mmu, pmap_t pmap, vm_offset_t addr)
return (0);
}
static vm_offset_t
mmu_booke_addr_hint(mmu_t mmu, vm_object_t object, vm_offset_t va,
vm_size_t size)
{
return (va);
}
/**************************************************************************/
/* TID handling */
/**************************************************************************/

14
sys/powerpc/powerpc/mmu_if.m
View File

@ -100,10 +100,10 @@ CODE {
return;
}
static vm_offset_t mmu_null_addr_hint(mmu_t mmu, vm_object_t object,
vm_offset_t va, vm_size_t size)
static void mmu_null_align_superpage(mmu_t mmu, vm_object_t object,
vm_ooffset_t offset, vm_offset_t *addr, vm_size_t size)
{
return (va);
return;
}
};
@ -659,15 +659,17 @@ METHOD void deactivate {
* return the given tentative start address.
*
* @param _obj VM backing object
* @param _offset starting offset with the VM object
* @param _addr initial guess at virtual address
* @param _size size of virtual address range
*/
METHOD vm_offset_t addr_hint {
METHOD void align_superpage {
mmu_t _mmu;
vm_object_t _obj;
vm_offset_t _addr;
vm_ooffset_t _offset;
vm_offset_t *_addr;
vm_size_t _size;
} DEFAULT mmu_null_addr_hint;
} DEFAULT mmu_null_align_superpage;

8
sys/powerpc/powerpc/pmap_dispatch.c
View File

@ -297,12 +297,6 @@ pmap_deactivate(struct thread *td)
MMU_DEACTIVATE(mmu_obj, td);
}
vm_offset_t
pmap_addr_hint(vm_object_t obj, vm_offset_t addr, vm_size_t size)
{
return (MMU_ADDR_HINT(mmu_obj, obj, addr, size));
}
/*
* Increase the starting virtual address of the given mapping if a
* different alignment might result in more superpage mappings.
@ -311,6 +305,8 @@ void
pmap_align_superpage(vm_object_t object, vm_ooffset_t offset,
vm_offset_t *addr, vm_size_t size)
{
MMU_ALIGN_SUPERPAGE(mmu_obj, object, offset, addr, size);
}

7
sys/sparc64/sparc64/pmap.c
View File

@ -1978,13 +1978,6 @@ pmap_activate(struct thread *td)
mtx_unlock_spin(&sched_lock);
}
vm_offset_t
pmap_addr_hint(vm_object_t object, vm_offset_t va, vm_size_t size)
{
return (va);
}
/*
* Increase the starting virtual address of the given mapping if a
* different alignment might result in more superpage mappings.

6
sys/sun4v/sun4v/pmap.c
View File

@ -424,12 +424,6 @@ pmap_activate(struct thread *td)
critical_exit();
}
vm_offset_t
pmap_addr_hint(vm_object_t object, vm_offset_t va, vm_size_t size)
{
return (va);
}
/*
* Increase the starting virtual address of the given mapping if a
* different alignment might result in more superpage mappings.

1
sys/vm/pmap.h
View File

@ -132,7 +132,6 @@ void pmap_zero_page_area(vm_page_t, int off, int size);
void pmap_zero_page_idle(vm_page_t);
int pmap_mincore(pmap_t pmap, vm_offset_t addr);
void pmap_activate(struct thread *td);
vm_offset_t pmap_addr_hint(vm_object_t obj, vm_offset_t addr, vm_size_t size);
#define pmap_resident_count(pm) ((pm)->pm_stats.resident_count)
#define pmap_wired_count(pm) ((pm)->pm_stats.wired_count)