diff options
author | alc <alc@FreeBSD.org> | 2003-08-01 19:51:43 +0000 |
---|---|---|
committer | alc <alc@FreeBSD.org> | 2003-08-01 19:51:43 +0000 |
commit | 9e28da88a0ecd470d55ce3e9eb72d136ea064dea (patch) | |
tree | 4f4cf16445a9aebf4c30b120cbe6fa3f2043f3a1 /sys/vm/vm_kern.c | |
parent | 39137cee4c9e3608610bcd4f5cccb60c97fde3b3 (diff) | |
download | FreeBSD-src-9e28da88a0ecd470d55ce3e9eb72d136ea064dea.zip FreeBSD-src-9e28da88a0ecd470d55ce3e9eb72d136ea064dea.tar.gz |
Update the comment at the head of kmem_alloc_nofault() to describe its
purpose and use.
Diffstat (limited to 'sys/vm/vm_kern.c')
-rw-r--r-- | sys/vm/vm_kern.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/vm/vm_kern.c b/sys/vm/vm_kern.c index 93676b2..826f5ae 100644 --- a/sys/vm/vm_kern.c +++ b/sys/vm/vm_kern.c @@ -119,7 +119,11 @@ kmem_alloc_pageable(map, size) /* * kmem_alloc_nofault: * - * Same as kmem_alloc_pageable, except that it create a nofault entry. + * Allocate a virtual address range with no underlying object and + * no initial mapping to physical memory. Any mapping from this + * range to physical memory must be explicitly created prior to + * its use, typically with pmap_qenter(). Any attempt to create + * a mapping on demand through vm_fault() will result in a panic. */ vm_offset_t kmem_alloc_nofault(map, size) |