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Make PMAP_SHPGPERPROC tunable. One shouldn't need to recompile a kernel

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for this, since it is easy to run into with large systems with lots of
shared mmap space.

Obtained from:	yahoo
This commit is contained in:
Peter Wemm 2001-07-27 01:08:59 +00:00
parent e664fdb13c
commit 0b27d7104f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=80431
7 changed files with 34 additions and 7 deletions
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6
sys/alpha/alpha/pmap.c
View File

@ -150,6 +150,7 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/msgbuf.h>
#include <sys/vmmeter.h>
@ -639,7 +640,10 @@ pmap_init(phys_start, phys_end)
void
pmap_init2()
{
pv_entry_max = PMAP_SHPGPERPROC * maxproc + vm_page_array_size;
int shpgperproc = PMAP_SHPGPERPROC;
TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc);
pv_entry_max = shpgperproc * maxproc + vm_page_array_size;
pv_entry_high_water = 9 * (pv_entry_max / 10);
zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1);
}

6
sys/amd64/amd64/pmap.c
View File

@ -74,6 +74,7 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mman.h>
#include <sys/msgbuf.h>
@ -504,7 +505,10 @@ pmap_init(phys_start, phys_end)
void
pmap_init2()
{
pv_entry_max = PMAP_SHPGPERPROC * maxproc + vm_page_array_size;
int shpgperproc = PMAP_SHPGPERPROC;
TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc);
pv_entry_max = shpgperproc * maxproc + vm_page_array_size;
pv_entry_high_water = 9 * (pv_entry_max / 10);
zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1);
}

6
sys/i386/i386/pmap.c
View File

@ -74,6 +74,7 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mman.h>
#include <sys/msgbuf.h>
@ -504,7 +505,10 @@ pmap_init(phys_start, phys_end)
void
pmap_init2()
{
pv_entry_max = PMAP_SHPGPERPROC * maxproc + vm_page_array_size;
int shpgperproc = PMAP_SHPGPERPROC;
TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc);
pv_entry_max = shpgperproc * maxproc + vm_page_array_size;
pv_entry_high_water = 9 * (pv_entry_max / 10);
zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1);
}

5
sys/ia64/ia64/pmap.c
View File

@ -377,7 +377,10 @@ pmap_init(phys_start, phys_end)
void
pmap_init2()
{
pv_entry_max = PMAP_SHPGPERPROC * maxproc + vm_page_array_size;
int shpgperproc = PMAP_SHPGPERPROC;
TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc);
pv_entry_max = shpgperproc * maxproc + vm_page_array_size;
pv_entry_high_water = 9 * (pv_entry_max / 10);
zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1);
}

6
sys/powerpc/aim/mmu_oea.c
View File

@ -62,6 +62,7 @@ static const char rcsid[] =
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/malloc.h>
#include <sys/msgbuf.h>
@ -1639,7 +1640,10 @@ pmap_growkernel(vm_offset_t addr)
void
pmap_init2()
{
pv_entry_max = PMAP_SHPGPERPROC * maxproc + vm_page_array_size;
int shpgperproc = PMAP_SHPGPERPROC;
TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc);
pv_entry_max = shpgperproc * maxproc + vm_page_array_size;
pv_entry_high_water = 9 * (pv_entry_max / 10);
zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1);
}

6
sys/powerpc/powerpc/mmu_oea.c
View File

@ -62,6 +62,7 @@ static const char rcsid[] =
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/malloc.h>
#include <sys/msgbuf.h>
@ -1639,7 +1640,10 @@ pmap_growkernel(vm_offset_t addr)
void
pmap_init2()
{
pv_entry_max = PMAP_SHPGPERPROC * maxproc + vm_page_array_size;
int shpgperproc = PMAP_SHPGPERPROC;
TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc);
pv_entry_max = shpgperproc * maxproc + vm_page_array_size;
pv_entry_high_water = 9 * (pv_entry_max / 10);
zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1);
}

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

@ -62,6 +62,7 @@ static const char rcsid[] =
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/malloc.h>
#include <sys/msgbuf.h>
@ -1639,7 +1640,10 @@ pmap_growkernel(vm_offset_t addr)
void
pmap_init2()
{
pv_entry_max = PMAP_SHPGPERPROC * maxproc + vm_page_array_size;
int shpgperproc = PMAP_SHPGPERPROC;
TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc);
pv_entry_max = shpgperproc * maxproc + vm_page_array_size;
pv_entry_high_water = 9 * (pv_entry_max / 10);
zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1);
}