aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/mm.h
diff options
context:
space:
mode:
authorChristoph Lameter <cl@linux-foundation.org>2009-06-03 16:04:31 -0400
committerJames Morris <jmorris@namei.org>2009-06-04 12:07:48 +1000
commite0a94c2a63f2644826069044649669b5e7ca75d3 (patch)
treedebf8a9af6ac23dadd116dc1cd1f9dcefe9629c6 /include/linux/mm.h
parent7d2948b1248109dbc7f4aaf9867c54b1912d494c (diff)
downloadmrst-s0i3-test-e0a94c2a63f2644826069044649669b5e7ca75d3.tar.gz
mrst-s0i3-test-e0a94c2a63f2644826069044649669b5e7ca75d3.tar.xz
mrst-s0i3-test-e0a94c2a63f2644826069044649669b5e7ca75d3.zip
security: use mmap_min_addr indepedently of security models
This patch removes the dependency of mmap_min_addr on CONFIG_SECURITY. It also sets a default mmap_min_addr of 4096. mmapping of addresses below 4096 will only be possible for processes with CAP_SYS_RAWIO. Signed-off-by: Christoph Lameter <cl@linux-foundation.org> Acked-by: Eric Paris <eparis@redhat.com> Looks-ok-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index bff1f0d475c..0c21af6abff 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -580,12 +580,10 @@ static inline void set_page_links(struct page *page, enum zone_type zone,
*/
static inline unsigned long round_hint_to_min(unsigned long hint)
{
-#ifdef CONFIG_SECURITY
hint &= PAGE_MASK;
if (((void *)hint != NULL) &&
(hint < mmap_min_addr))
return PAGE_ALIGN(mmap_min_addr);
-#endif
return hint;
}