[lkml]   [2010]   [May]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Perf and ftrace [was Re: PyTimechart]
On Wed, 2010-05-12 at 14:04 -0400, Mathieu Desnoyers wrote:
> Can't we keep multiple references to each page ? (shared page) so it's still in
> the buffer, also accessed by mmap(), and in addition accessed by splice.

I'm not sure, the problem seems to be that a splice-consumer might want
to inject the page into a whole different address-space, over-writing
page->mapping/->index etc.

 \ /
  Last update: 2010-05-12 20:11    [W:0.074 / U:2.396 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site