diff options
| author | Dale Rahn <drahn@cvs.openbsd.org> | 2008-10-17 14:04:08 +0000 |
|---|---|---|
| committer | Dale Rahn <drahn@cvs.openbsd.org> | 2008-10-17 14:04:08 +0000 |
| commit | db005313de84af498505b516b9c0059e36c7f07e (patch) | |
| tree | f01814e2888f582c685beb36d29306b6f8a9f136 /sys | |
| parent | 45f296784ba92c17537efc10eda48d303d944131 (diff) | |
Handle pool allocation failures slightly better. ok kettenis@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/powerpc/powerpc/pmap.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/arch/powerpc/powerpc/pmap.c b/sys/arch/powerpc/powerpc/pmap.c index 7268f2428d3..f25a4d8c924 100644 --- a/sys/arch/powerpc/powerpc/pmap.c +++ b/sys/arch/powerpc/powerpc/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.106 2008/09/13 18:18:25 drahn Exp $ */ +/* $OpenBSD: pmap.c,v 1.107 2008/10/17 14:04:07 drahn Exp $ */ /* * Copyright (c) 2001, 2002, 2007 Dale Rahn. @@ -323,6 +323,8 @@ pmap_vp_enter(pmap_t pm, vaddr_t va, struct pte_desc *pted) s = splvm(); vp1 = pool_get(&pmap_vp_pool, PR_NOWAIT | PR_ZERO); splx(s); + if (vp1 == NULL) + panic("pmap_vp_enter: failed to allocate vp1"); pm->pm_vp[VP_SR(va)] = vp1; } @@ -331,6 +333,8 @@ pmap_vp_enter(pmap_t pm, vaddr_t va, struct pte_desc *pted) s = splvm(); vp2 = pool_get(&pmap_vp_pool, PR_NOWAIT | PR_ZERO); splx(s); + if (vp2 == NULL) + panic("pmap_vp_enter: failed to allocate vp2"); vp1->vp[VP_IDX1(va)] = vp2; } @@ -515,6 +519,8 @@ pmap_enter(pmap_t pm, vaddr_t va, paddr_t pa, vm_prot_t prot, int flags) /* Do not have pted for this, get one and put it in VP */ if (pted == NULL) { pted = pool_get(&pmap_pted_pool, PR_NOWAIT | PR_ZERO); + if (pted == NULL) + panic("pmap_enter: failed to allocate pted"); pmap_vp_enter(pm, va, pted); } |