* Why is clear_user_highpage necessary in do_anonymous_page()? [not found] <516c87e8040922022973701fff@mail.gmail.com> @ 2004-09-23 0:35 ` Long Pu 0 siblings, 0 replies; only message in thread From: Long Pu @ 2004-09-23 0:35 UTC (permalink / raw) To: linux-kernel I wonder why clear_user_highpage is necessary if we don't concern security. When we write to a anonymous page the very first time, we don't care whatever the original contents of that page is. And clear_user_highpage() takes a lot of cpu time under certain workload such as compiling kernel. Is there any reason I don't know to reserve it? ^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2004-09-23 0:35 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <516c87e8040922022973701fff@mail.gmail.com>
2004-09-23 0:35 ` Why is clear_user_highpage necessary in do_anonymous_page()? Long Pu
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox