diff options
| author | Thomas Bushnell <thomas@gnu.org> | 1999-09-04 13:03:32 +0000 |
|---|---|---|
| committer | Thomas Bushnell <thomas@gnu.org> | 1999-09-04 13:03:32 +0000 |
| commit | b785e79ae365d241801e6fd5d8e6de490c4b1e8c (patch) | |
| tree | 21243ca3eed8e432b571c62fd97ae16aecf57c1b /vm/vm_resident.c | |
| parent | c2826ce48e02c105163625532fd843c3c0c08108 (diff) | |
1999-09-04 Thomas Bushnell, BSG <tb@mit.edu>
* vm/vm_resident.c (vm_page_grab): Only block unprivileged
allocations over vm_page_external_limit if they are actually
external allocations. Reported by Mark Kettenis
(kettenis@wins.uva.nl>.
Diffstat (limited to 'vm/vm_resident.c')
| -rw-r--r-- | vm/vm_resident.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/vm/vm_resident.c b/vm/vm_resident.c index f9441ad..4ab39f4 100644 --- a/vm/vm_resident.c +++ b/vm/vm_resident.c @@ -859,9 +859,10 @@ vm_page_t vm_page_grab( * for externally-managed pages. */ - if (((vm_page_free_count < vm_page_free_reserved) || - (vm_page_external_count > vm_page_external_limit)) && - !current_thread()->vm_privilege) { + if (((vm_page_free_count < vm_page_free_reserved) + || (external + && (vm_page_external_count > vm_page_external_limit))) + && !current_thread()->vm_privilege) { simple_unlock(&vm_page_queue_free_lock); return VM_PAGE_NULL; } |