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Code Issues Releases Activity

Use the direct mapping of IdlePTD setup in locore for proc0's page directory,

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instead of allocating another page of kva and mapping it in again.  This was
likely an oversight in revision 1.174 (cut and paste from pmap_pinit).

Discussed with:	peter, tegge
Sponsored by:	DARPA, Network Associates Laboratories
This commit is contained in:
Jake Burkholder 2003-02-24 00:39:50 +00:00
parent 84188b7cc1
commit 28c9e1aa5c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=111385
2 changed files with 4 additions and 16 deletions
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10
sys/amd64/amd64/pmap.c
View File

@ -1255,14 +1255,8 @@ void
pmap_pinit0(pmap)
struct pmap *pmap;
{
pmap->pm_pdir =
(pd_entry_t *)kmem_alloc_pageable(kernel_map, PAGE_SIZE);
pmap_kenter((vm_offset_t)pmap->pm_pdir, (vm_offset_t)IdlePTD);
#ifndef I386_CPU
invlpg((vm_offset_t)pmap->pm_pdir);
#else
invltlb();
#endif
pmap->pm_pdir = (pd_entry_t *)(KERNBASE + (vm_offset_t)IdlePTD);
pmap->pm_active = 0;
TAILQ_INIT(&pmap->pm_pvlist);
bzero(&pmap->pm_stats, sizeof pmap->pm_stats);

10
sys/i386/i386/pmap.c
View File

@ -1255,14 +1255,8 @@ void
pmap_pinit0(pmap)
struct pmap *pmap;
{
pmap->pm_pdir =
(pd_entry_t *)kmem_alloc_pageable(kernel_map, PAGE_SIZE);
pmap_kenter((vm_offset_t)pmap->pm_pdir, (vm_offset_t)IdlePTD);
#ifndef I386_CPU
invlpg((vm_offset_t)pmap->pm_pdir);
#else
invltlb();
#endif
pmap->pm_pdir = (pd_entry_t *)(KERNBASE + (vm_offset_t)IdlePTD);
pmap->pm_active = 0;
TAILQ_INIT(&pmap->pm_pvlist);
bzero(&pmap->pm_stats, sizeof pmap->pm_stats);