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| author | julian <julian@FreeBSD.org> | 1999-04-05 19:38:30 +0000 |
|---|---|---|
| committer | julian <julian@FreeBSD.org> | 1999-04-05 19:38:30 +0000 |
| commit | 0ed09d2ad576c0a64797f8ca9bebd32873f770ae (patch) | |
| tree | 6de1ee6b7f198b11b20d471fbc1a36de8329d82e /sys/vm/pmap.h | |
| parent | 9ac433dd352fdfe7f3038aa0e1a4333686bc07fc (diff) | |
| download | FreeBSD-src-0ed09d2ad576c0a64797f8ca9bebd32873f770ae.zip FreeBSD-src-0ed09d2ad576c0a64797f8ca9bebd32873f770ae.tar.gz | |
Catch a case spotted by Tor where files mmapped could leave garbage in the
unallocated parts of the last page when the file ended on a frag
but not a page boundary.
Delimitted by tags PRE_MATT_MMAP_EOF and POST_MATT_MMAP_EOF,
in files alpha/alpha/pmap.c i386/i386/pmap.c nfs/nfs_bio.c vm/pmap.h
vm/vm_page.c vm/vm_page.h vm/vnode_pager.c miscfs/specfs/spec_vnops.c
ufs/ufs/ufs_readwrite.c kern/vfs_bio.c
Submitted by: Matt Dillon <dillon@freebsd.org>
Reviewed by: Alan Cox <alc@freebsd.org>
Diffstat (limited to 'sys/vm/pmap.h')
| -rw-r--r-- | sys/vm/pmap.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/vm/pmap.h b/sys/vm/pmap.h index 1f35a6f..2fe5c18 100644 --- a/sys/vm/pmap.h +++ b/sys/vm/pmap.h @@ -61,7 +61,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: pmap.h,v 1.27 1998/02/01 20:08:39 bde Exp $ + * $Id: pmap.h,v 1.28 1998/07/26 18:15:20 dfr Exp $ */ /* @@ -129,6 +129,7 @@ void pmap_release __P((pmap_t)); void pmap_remove __P((pmap_t, vm_offset_t, vm_offset_t)); void pmap_remove_pages __P((pmap_t, vm_offset_t, vm_offset_t)); void pmap_zero_page __P((vm_offset_t)); +void pmap_zero_page_area __P((vm_offset_t, int off, int size)); void pmap_prefault __P((pmap_t, vm_offset_t, vm_map_entry_t)); int pmap_mincore __P((pmap_t pmap, vm_offset_t addr)); void pmap_new_proc __P((struct proc *p)); |
