tree fd5ea19514d07338f58b2df4b2f87922b9975a04
parent 9149ccfa3571eaa4a4b444777d67fc4ed3ebcf27
author Hugh Dickins <hugh@veritas.com> 1129054586 +0100
committer Linus Torvalds <torvalds@g5.osdl.org> 1129057427 -0700

[PATCH] Don't map the same page too much

Refuse to install a page into a mapping if the mapping count is already
ridiculously large.

You probably cannot trigger this on 32-bit architectures, but on a
64-bit setup we should protect against it.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>