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Remove the allpmaps list. It's unused.

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Reviewed by: peter@
This commit is contained in:
Alan Cox 2004-07-20 02:40:56 +00:00
parent 1c4ba0be13
commit fa543780cc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=132427
2 changed files with 0 additions and 19 deletions
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18
sys/amd64/amd64/pmap.c
View File

@ -160,8 +160,6 @@ __FBSDID("$FreeBSD$");
struct pmap kernel_pmap_store;
LIST_HEAD(pmaplist, pmap);
static struct pmaplist allpmaps;
static struct mtx allpmaps_lock;
vm_paddr_t avail_start; /* PA of first available physical page */
vm_paddr_t avail_end; /* PA of last available physical page */
@ -491,11 +489,6 @@ pmap_bootstrap(firstaddr)
kernel_pmap->pm_pml4 = (pdp_entry_t *) (KERNBASE + KPML4phys);
kernel_pmap->pm_active = -1; /* don't allow deactivation */
TAILQ_INIT(&kernel_pmap->pm_pvlist);
LIST_INIT(&allpmaps);
mtx_init(&allpmaps_lock, "allpmaps", NULL, MTX_SPIN);
mtx_lock_spin(&allpmaps_lock);
LIST_INSERT_HEAD(&allpmaps, kernel_pmap, pm_list);
mtx_unlock_spin(&allpmaps_lock);
nkpt = NKPT;
/*
@ -1082,9 +1075,6 @@ pmap_pinit0(pmap)
pmap->pm_active = 0;
TAILQ_INIT(&pmap->pm_pvlist);
bzero(&pmap->pm_stats, sizeof pmap->pm_stats);
mtx_lock_spin(&allpmaps_lock);
LIST_INSERT_HEAD(&allpmaps, pmap, pm_list);
mtx_unlock_spin(&allpmaps_lock);
}
/*
@ -1112,10 +1102,6 @@ pmap_pinit(pmap)
if ((pml4pg->flags & PG_ZERO) == 0)
pagezero(pmap->pm_pml4);
mtx_lock_spin(&allpmaps_lock);
LIST_INSERT_HEAD(&allpmaps, pmap, pm_list);
mtx_unlock_spin(&allpmaps_lock);
/* Wire in kernel global address entries. */
pmap->pm_pml4[KPML4I] = KPDPphys | PG_RW | PG_V | PG_U;
pmap->pm_pml4[DMPML4I] = DMPDPphys | PG_RW | PG_V | PG_U;
@ -1332,10 +1318,6 @@ pmap_release(pmap_t pmap)
("pmap_release: pmap resident count %ld != 0",
pmap->pm_stats.resident_count));
mtx_lock_spin(&allpmaps_lock);
LIST_REMOVE(pmap, pm_list);
mtx_unlock_spin(&allpmaps_lock);
m = PHYS_TO_VM_PAGE(pmap->pm_pml4[PML4PML4I] & PG_FRAME);
pmap->pm_pml4[KPML4I] = 0; /* KVA */

1
sys/amd64/include/pmap.h
View File

@ -226,7 +226,6 @@ struct pmap {
u_int pm_active; /* active on cpus */
/* spare u_int here due to padding */
struct pmap_statistics pm_stats; /* pmap statistics */
LIST_ENTRY(pmap) pm_list; /* List of all pmaps */
};
typedef struct pmap *pmap_t;