Module Name: src Committed By: chs Date: Fri Apr 6 17:16:30 UTC 2012
Modified Files: src/sys/uvm: uvm_glue.c Log Message: fix uarea_system_poolpage_free() to handle freeing a uarea that was not allocated by cpu_uarea_alloc() (ie. on plaforms where cpu_uarea_alloc() failing is not fatal). fixes PR 46284. To generate a diff of this commit: cvs rdiff -u -r1.157 -r1.158 src/sys/uvm/uvm_glue.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/uvm/uvm_glue.c diff -u src/sys/uvm/uvm_glue.c:1.157 src/sys/uvm/uvm_glue.c:1.158 --- src/sys/uvm/uvm_glue.c:1.157 Mon Feb 20 12:21:23 2012 +++ src/sys/uvm/uvm_glue.c Fri Apr 6 17:16:30 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: uvm_glue.c,v 1.157 2012/02/20 12:21:23 martin Exp $ */ +/* $NetBSD: uvm_glue.c,v 1.158 2012/04/06 17:16:30 chs Exp $ */ /* * Copyright (c) 1997 Charles D. Cranor and Washington University. @@ -62,7 +62,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.157 2012/02/20 12:21:23 martin Exp $"); +__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.158 2012/04/06 17:16:30 chs Exp $"); #include "opt_kgdb.h" #include "opt_kstack.h" @@ -315,8 +315,11 @@ uarea_system_poolpage_alloc(struct pool static void uarea_system_poolpage_free(struct pool *pp, void *addr) { - if (!cpu_uarea_free(addr)) - panic("%s: failed to free uarea %p", __func__, addr); + if (cpu_uarea_free(addr)) + return; + + uvm_km_free(kernel_map, (vaddr_t)addr, pp->pr_alloc->pa_pagesz, + UVM_KMF_WIRED); } static struct pool_allocator uvm_uarea_system_allocator = {