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NOMMU: Optimise away the {dac_,}mmap_min_addr tests
authorDavid Howells <dhowells@redhat.com>
Tue, 15 Dec 2009 19:27:45 +0000 (19:27 +0000)
committerJames Morris <jmorris@namei.org>
Wed, 16 Dec 2009 22:25:19 +0000 (09:25 +1100)
commit6e1415467614e854fee660ff6648bd10fa976e95
tree2ae2e2f51eff0629bc0e26a97eac85483a7ba56ftree | snapshot
parentdd880fbe8e4792d1185a5101dc751f49eab0a509commit | diff
NOMMU: Optimise away the {dac_,}mmap_min_addr tests

In NOMMU mode clamp dac_mmap_min_addr to zero to cause the tests on it to be
skipped by the compiler.  We do this as the minimum mmap address doesn't make
any sense in NOMMU mode.

mmap_min_addr and round_hint_to_min() can be discarded entirely in NOMMU mode.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
include/linux/security.h diff | blob | history
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