Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PR/49691: KAMADA Ken'ichi: free deferred ptp mappings if present. 

XXX: pullup-7
This commit is contained in:
christos 2016-11-08 03:05:36 +00:00
parent 54ac83e6d0
commit e4377ba18a
3 changed files with 13 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sys/arch/x86/include/pmap.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: pmap.h,v 1.60 2016/09/19 20:46:55 maya Exp $ */
/* $NetBSD: pmap.h,v 1.61 2016/11/08 03:05:36 christos Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -482,6 +482,7 @@ void pmap_kenter_ma(vaddr_t, paddr_t, vm_prot_t, u_int);
int pmap_enter_ma(struct pmap *, vaddr_t, paddr_t, paddr_t,
vm_prot_t, u_int, int);
bool pmap_extract_ma(pmap_t, vaddr_t, paddr_t *);
void pmap_free_ptps(struct vm_page *);
/*
* Hooks for the pool allocator.

6
sys/arch/x86/x86/pmap.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.222 2016/09/24 21:13:44 dholland Exp $ */
/* $NetBSD: pmap.c,v 1.223 2016/11/08 03:05:36 christos Exp $ */
/*-
* Copyright (c) 2008, 2010, 2016 The NetBSD Foundation, Inc.
@ -171,7 +171,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.222 2016/09/24 21:13:44 dholland Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.223 2016/11/08 03:05:36 christos Exp $");
#include "opt_user_ldt.h"
#include "opt_lockdebug.h"
@ -2277,7 +2277,7 @@ pmap_create(void)
* pmap_free_ptps: put a list of ptps back to the freelist.
*/
static void
void
pmap_free_ptps(struct vm_page *empty_ptps)
{
struct vm_page *ptp;

10
sys/arch/x86/x86/vm_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vm_machdep.c,v 1.25 2014/03/11 20:55:19 para Exp $ */
/* $NetBSD: vm_machdep.c,v 1.26 2016/11/08 03:05:36 christos Exp $ */
/*-
* Copyright (c) 1982, 1986 The Regents of the University of California.
@ -80,7 +80,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vm_machdep.c,v 1.25 2014/03/11 20:55:19 para Exp $");
__KERNEL_RCSID(0, "$NetBSD: vm_machdep.c,v 1.26 2016/11/08 03:05:36 christos Exp $");
#include "opt_mtrr.h"
@ -249,6 +249,12 @@ cpu_lwp_free(struct lwp *l, int proc)
if (proc && l->l_proc->p_md.md_flags & MDP_USEDMTRR)
mtrr_clean(l->l_proc);
#endif
/*
* Free deferred mappings if any.
*/
struct vm_page *empty_ptps = l->l_md.md_gc_ptp;
l->l_md.md_gc_ptp = NULL;
pmap_free_ptps(empty_ptps);
}
/*