Thread (10 messages) 10 messages, 3 authors, 2013-01-04

Re: [RFC v4 0/3] Support volatile for anonymous range

From: Kamezawa Hiroyuki <hidden>
Date: 2012-12-28 00:26:09
Also in: lkml

(2012/12/26 12:46), Minchan Kim wrote:
Hi Kame,

What are you doing these holiday season? :)
I can't believe you sit down in front of computer.
Honestly, my holiday starts tomorrow ;) (but until 1/5 in the next year.)
quoted
Hm, by the way, the user need to attach pages to the process by causing page-fault
(as you do by memset()) before calling mvolatile() ?
For effectiveness, Yes.
Isn't it better to make page-fault by get_user_pages() in mvolatile() ?
Calling page fault in userland seems just to increase burden of apps.
quoted
I think your approach is interesting, anyway.
Thanks for your interest, Kame.

a??a??a? 3/4 a??a?|a??a??a??a??a??.
A happy new year.

Thanks,
-Kame


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