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Fix problems in global pagewalks.

This commit is contained in:
eeh 1998-09-09 02:49:56 +00:00
parent 9487c4be35
commit e81ed2237d
1 changed files with 11 additions and 5 deletions
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16
sys/arch/sparc64/sparc64/pmap.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.13 1998/09/07 23:59:08 eeh Exp $ */
/* $NetBSD: pmap.c,v 1.14 1998/09/09 02:49:56 eeh Exp $ */
/* #define NO_VCACHE /* Don't forget the locked TLB in dostart */
#define HWREF
/* #define BOOT_DEBUG */
@ -1281,10 +1281,11 @@ pmap_release(pm)
data&TLB_PA_MASK);
}
vm_page_free1((vm_page_t)PHYS_TO_VM_PAGE((paddr_t)ptbl));
stxa(&ptbl[k], ASI_PHYS_CACHED, NULL);
stxa(&pdir[k], ASI_PHYS_CACHED, NULL);
}
}
vm_page_free1((vm_page_t)PHYS_TO_VM_PAGE((paddr_t)pdir));
stxa(&pm->pm_segs[i], ASI_PHYS_CACHED, NULL);
}
vm_page_free1((vm_page_t)PHYS_TO_VM_PAGE((paddr_t)pm->pm_segs));
pm->pm_segs = NULL;
@ -1348,11 +1349,12 @@ pmap_collect(pm)
struct pmap *pm;
{
#if 1
int i, j, k, n, m;
int i, j, k, n, m, s;
paddr_t *pdir, *ptbl;
/* This is a good place to scan the pmaps for page tables with
* no valid mappings in them and free them. */
s = splimp();
for (i=0; i<STSZ; i++) {
if ((pdir = (paddr_t *)ldxa(&pm->pm_segs[i], ASI_PHYS_CACHED))) {
m = 0;
@ -1368,7 +1370,7 @@ pmap_collect(pm)
if (!n) {
/* Free the damn thing */
vm_page_free1((vm_page_t)PHYS_TO_VM_PAGE((paddr_t)ptbl));
stxa(&ptbl[k], ASI_PHYS_CACHED, NULL);
stxa(&pdir[k], ASI_PHYS_CACHED, NULL);
}
}
}
@ -1379,6 +1381,7 @@ pmap_collect(pm)
}
}
}
splx(s);
#endif
}
@ -3122,10 +3125,12 @@ int
pmap_count_res(pm)
pmap_t pm;
{
int i, j, k, n;
int i, j, k, n, s;
paddr_t *pdir, *ptbl;
/* Almost the same as pmap_collect() */
/* Don't want one of these pages reused while we're reading it. */
s = splimp();
n = 0;
for (i=0; i<STSZ; i++) {
if((pdir = (paddr_t *)ldxa(&pm->pm_segs[i], ASI_PHYS_CACHED))) {
@ -3140,6 +3145,7 @@ pmap_count_res(pm)
}
}
}
splx(s);
return n;
}