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Increment resident_count if we're remapping onto new PA as

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pmap_remove -> pmap_pte_remote will decrement it
This commit is contained in:
skrll 2016-09-30 12:10:40 +00:00
parent 8536f06c47
commit 07838e6706
1 changed files with 11 additions and 8 deletions
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19
sys/uvm/pmap/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.22 2016/09/16 17:27:09 matt Exp $ */
/* $NetBSD: pmap.c,v 1.23 2016/09/30 12:10:40 skrll Exp $ */
/*-
* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
@ -67,7 +67,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.22 2016/09/16 17:27:09 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.23 2016/09/30 12:10:40 skrll Exp $");
/*
* Manages physical address maps.
@ -1272,16 +1272,19 @@ pmap_enter(pmap_t pmap, vaddr_t va, paddr_t pa, vm_prot_t prot, u_int flags)
UVMHIST_LOG(*histp, "new pte %#"PRIxPTE" (pa %#"PRIxPADDR")",
pte_value(npte), pa, 0, 0);
if (pte_valid_p(opte) && pte_to_paddr(opte) != pa) {
pmap_remove(pmap, va, va + NBPG);
PMAP_COUNT(user_mappings_changed);
}
KASSERT(pte_valid_p(npte));
const bool resident = pte_valid_p(opte);
bool remap = false;
if (resident) {
if (pte_to_paddr(opte) != pa) {
pmap_remove(pmap, va, va + NBPG);
PMAP_COUNT(user_mappings_changed);
remap = true;
}
update_flags |= PMAP_TLB_NEED_IPI;
} else {
}
if (!resident || remap) {
pmap->pm_stats.resident_count++;
}