tree 82f5e0c8090515fc8886f26540a3b00ae603ae77
parent 1bd858a507937cef6e8ca5efc6820a5744e73683
author Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> 1151306725 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1151341102 -0700

[PATCH] Notify page fault call chain for i386

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>