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Allow a specific setting for pv entries. This avoids the need to guess

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(or calculate by hand) the effect of interactions between shpgperproc,
physical ram size, maxproc, maxdsiz, etc.
This commit is contained in:
Peter Wemm 2002-01-03 00:26:04 +00:00
parent 0f24ab6fa0
commit 7ff48af704
2 changed files with 2 additions and 0 deletions
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1
sys/amd64/amd64/pmap.c
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@ -509,6 +509,7 @@ pmap_init2()
TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc);
pv_entry_max = shpgperproc * maxproc + vm_page_array_size;
TUNABLE_INT_FETCH("vm.pmap.pv_entries", &pv_entry_max);
pv_entry_high_water = 9 * (pv_entry_max / 10);
zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1);
}

1
sys/i386/i386/pmap.c
View File

@ -509,6 +509,7 @@ pmap_init2()
TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc);
pv_entry_max = shpgperproc * maxproc + vm_page_array_size;
TUNABLE_INT_FETCH("vm.pmap.pv_entries", &pv_entry_max);
pv_entry_high_water = 9 * (pv_entry_max / 10);
zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1);
}