Module Name: src
Committed By: jmcneill
Date: Tue Aug 23 16:16:26 UTC 2011
Modified Files:
src/sys/arch/usermode/include: thunk.h
src/sys/arch/usermode/usermode: pmap.c thunk.c
Log Message:
unlink pmap backing file immediately after opening it, so we don't leave
a bunch of 128MB turds sitting around in /tmp
To generate a diff of this commit:
cvs rdiff -u -r1.11 -r1.12 src/sys/arch/usermode/include/thunk.h
cvs rdiff -u -r1.23 -r1.24 src/sys/arch/usermode/usermode/pmap.c
cvs rdiff -u -r1.12 -r1.13 src/sys/arch/usermode/usermode/thunk.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/arch/usermode/include/thunk.h
diff -u src/sys/arch/usermode/include/thunk.h:1.11 src/sys/arch/usermode/include/thunk.h:1.12
--- src/sys/arch/usermode/include/thunk.h:1.11 Tue Aug 23 16:09:27 2011
+++ src/sys/arch/usermode/include/thunk.h Tue Aug 23 16:16:26 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: thunk.h,v 1.11 2011/08/23 16:09:27 jmcneill Exp $ */
+/* $NetBSD: thunk.h,v 1.12 2011/08/23 16:16:26 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Jared D. McNeill <jmcne...@invisible.ca>
@@ -68,6 +68,7 @@
ssize_t thunk_pwrite(int, const void *, size_t, off_t);
int thunk_fsync(int);
int thunk_mkstemp(char *);
+int thunk_unlink(const char *);
int thunk_sigaction(int, const struct sigaction *, struct sigaction *);
Index: src/sys/arch/usermode/usermode/pmap.c
diff -u src/sys/arch/usermode/usermode/pmap.c:1.23 src/sys/arch/usermode/usermode/pmap.c:1.24
--- src/sys/arch/usermode/usermode/pmap.c:1.23 Tue Aug 23 15:35:53 2011
+++ src/sys/arch/usermode/usermode/pmap.c Tue Aug 23 16:16:26 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.23 2011/08/23 15:35:53 reinoud Exp $ */
+/* $NetBSD: pmap.c,v 1.24 2011/08/23 16:16:26 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Reinoud Zandijk <rein...@netbsd.org>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.23 2011/08/23 15:35:53 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.24 2011/08/23 16:16:26 jmcneill Exp $");
#include "opt_memsize.h"
#include "opt_kmempages.h"
@@ -180,6 +180,9 @@
mem_fh = thunk_mkstemp(mem_name);
if (mem_fh < 0)
panic("pmap_bootstrap: can't create memory file\n");
+ /* unlink the file so space is freed when we quit */
+ if (thunk_unlink(mem_name) == -1)
+ panic("pmap_bootstrap: can't unlink %s", mem_name);
/* file_len is the backing store length, nothing to do with placement */
file_len = 1024 * MEMSIZE;
Index: src/sys/arch/usermode/usermode/thunk.c
diff -u src/sys/arch/usermode/usermode/thunk.c:1.12 src/sys/arch/usermode/usermode/thunk.c:1.13
--- src/sys/arch/usermode/usermode/thunk.c:1.12 Tue Aug 23 16:09:27 2011
+++ src/sys/arch/usermode/usermode/thunk.c Tue Aug 23 16:16:26 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: thunk.c,v 1.12 2011/08/23 16:09:27 jmcneill Exp $ */
+/* $NetBSD: thunk.c,v 1.13 2011/08/23 16:16:26 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Jared D. McNeill <jmcne...@invisible.ca>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: thunk.c,v 1.12 2011/08/23 16:09:27 jmcneill Exp $");
+__RCSID("$NetBSD: thunk.c,v 1.13 2011/08/23 16:16:26 jmcneill Exp $");
#include <sys/types.h>
#include <sys/ansi.h>
@@ -198,6 +198,12 @@
}
int
+thunk_unlink(const char *path)
+{
+ return unlink(path);
+}
+
+int
thunk_sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
{
return sigaction(sig, act, oact);
