diff options
| author | dyson <dyson@FreeBSD.org> | 1995-12-13 12:28:39 +0000 |
|---|---|---|
| committer | dyson <dyson@FreeBSD.org> | 1995-12-13 12:28:39 +0000 |
| commit | 37543c2e2488d4771d9363229c9006a02012d6a0 (patch) | |
| tree | 1b10a6b886802b730f28c9fae706e2b13368e1dc /sys/vm/vm_mmap.c | |
| parent | e06b61c7c6b1a09b4125416a4d440100dd9a64d9 (diff) | |
| download | FreeBSD-src-37543c2e2488d4771d9363229c9006a02012d6a0.zip FreeBSD-src-37543c2e2488d4771d9363229c9006a02012d6a0.tar.gz | |
There was a bug that the size for an msync'ed region was not rounded
up. The effect of this was that msync with a size would generally sync
1 page less than it should. This problem was brought to my attention
by Darrel Herbst <dherbst@gradin.cis.upenn.edu> and Ron Minnich
<rminnich@sarnoff.com>.
Diffstat (limited to 'sys/vm/vm_mmap.c')
| -rw-r--r-- | sys/vm/vm_mmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index 5466ecb..5ef3afa 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -38,7 +38,7 @@ * from: Utah $Hdr: vm_mmap.c 1.6 91/10/21$ * * @(#)vm_mmap.c 8.4 (Berkeley) 1/12/94 - * $Id: vm_mmap.c,v 1.31 1995/12/07 12:48:19 davidg Exp $ + * $Id: vm_mmap.c,v 1.32 1995/12/11 04:58:17 dyson Exp $ */ /* @@ -329,7 +329,7 @@ msync(p, uap, retval) map = &p->p_vmspace->vm_map; addr = (vm_offset_t) uap->addr; - size = (vm_size_t) uap->len; + size = round_page((vm_size_t) uap->len); flags = uap->flags; if (((int) addr & PAGE_MASK) || addr + size < addr || |
