diff options
Diffstat (limited to 'sys/alpha')
| -rw-r--r-- | sys/alpha/alpha/pmap.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/sys/alpha/alpha/pmap.c b/sys/alpha/alpha/pmap.c index 9444869..39cd851 100644 --- a/sys/alpha/alpha/pmap.c +++ b/sys/alpha/alpha/pmap.c @@ -186,8 +186,6 @@ __FBSDID("$FreeBSD$"); #define PMAP_DIAGNOSTIC #endif -#define MINPV 2048 - #if 0 #define PMAP_DIAGNOSTIC #define PMAP_DEBUG @@ -572,28 +570,24 @@ pmap_page_init(vm_page_t m) void pmap_init(void) { + int shpgperproc = PMAP_SHPGPERPROC; /* - * init the pv free list + * Initialize the address space (zone) for the pv entries. Set a + * high water mark so that the system can recover from excessive + * numbers of pv entries. */ - pvzone = uma_zcreate("PV ENTRY", sizeof (struct pv_entry), NULL, NULL, + pvzone = uma_zcreate("PV ENTRY", sizeof(struct pv_entry), NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE); - uma_prealloc(pvzone, MINPV); + TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc); + pv_entry_max = shpgperproc * maxproc + cnt.v_page_count; + TUNABLE_INT_FETCH("vm.pmap.pv_entries", &pv_entry_max); + pv_entry_high_water = 9 * (pv_entry_max / 10); } -/* - * Initialize the address space (zone) for the pv_entries. Set a - * high water mark so that the system can recover from excessive - * numbers of pv entries. - */ void pmap_init2() { - 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); } @@ -1313,8 +1307,7 @@ static pv_entry_t get_pv_entry(void) { pv_entry_count++; - if (pv_entry_high_water && - (pv_entry_count > pv_entry_high_water) && + if ((pv_entry_count > pv_entry_high_water) && (pmap_pagedaemon_waken == 0)) { pmap_pagedaemon_waken = 1; wakeup (&vm_pages_needed); |
