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Reduce the number of preallocated pv entries and lpte entries in

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pmap_init().

Tested by:	marcel@
This commit is contained in:
Alan Cox 2004-06-11 04:24:35 +00:00
parent c1d587c848
commit 4e302a62f7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=130338
1 changed files with 2 additions and 9 deletions
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11
sys/ia64/ia64/pmap.c
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@ -129,7 +129,6 @@ MALLOC_DEFINE(M_PMAP, "PMAP", "PMAP Structures");
#endif
#define MINPV 2048 /* Preallocate at least this many */
#define MAXPV 20480 /* But no more than this */
#if 0
#define PMAP_DIAGNOSTIC
@ -500,7 +499,6 @@ void
pmap_init(void)
{
int i;
int initial_pvs;
/*
* Allocate memory for random pmap data structures. Includes the
@ -518,18 +516,13 @@ pmap_init(void)
/*
* Init the pv free list and the PTE free list.
*/
initial_pvs = vm_page_array_size;
if (initial_pvs < MINPV)
initial_pvs = MINPV;
if (initial_pvs > MAXPV)
initial_pvs = MAXPV;
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, initial_pvs);
uma_prealloc(pvzone, MINPV);
ptezone = uma_zcreate("PT ENTRY", sizeof (struct ia64_lpte),
NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM|UMA_ZONE_NOFREE);
uma_prealloc(ptezone, initial_pvs);
uma_prealloc(ptezone, MINPV);
/*
* Now it is safe to enable pv_table recording.