tree cc8290b8fc757b34e01a4e9c25bbe00496400084
parent ae9a5b85655d7133ab8e7c99b742ef20c8dbb7d2
author Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> 1151306727 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1151341102 -0700

[PATCH] Notify page fault call chain for powerpc

Overloading of page fault notification with the notify_die() has performance
issues(since the only interested components for page fault is kprobes and/or
kdb) and hence this patch introduces the new notifier call chain exclusively
for page fault notifications their by avoiding notifying unnecessary
components in the do_page_fault() code path.

Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>