tree 83cec2de720c3ce23a612b4d1bf37c36bf28f0ec
parent d3c6aa1e69f705ac3ab64584101b1d38435b1353
author Jeremy Fitzhardinge <jeremy@goop.org> 1226943300 -0800
committer Ingo Molnar <mingo@elte.hu> 1226945486 +0100

xen: fix scrub_page()

Impact: fix guest kernel crash with CONFIG_XEN_SCRUB_PAGES=y

Jens noticed that scrub_page() has a buggy unmap of the wrong
thing. (virtual address instead of page)

Linus pointed out that the whole scrub_page() code is an unnecessary
reimplementation of clear_highpage() to begin with.

Just use clear_highpage() rather than reimplementing it poorly.

Reported-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>