tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: uvm page freelist problem

Dear folks,

On Wed, Jan 16, 2008 at 11:55:49AM +0100, Matthias Drochner wrote:
> said:
> > Can it happen that a page changes its (pg->flags & PG_ZERO) status
> In uvm_pagefree(), shouldn't the uvm_fpageqlock be acquired
> before the PG_ZERO is checked to determine the freelist
> to put it on?

Don't know if its relevant, but it looks a bit like my PR#37799 ? i've been 
thinking if a page is not released too soon and thus gives the corruption 
i've been seeing.

With regards,

Attachment: pgpPjZ3bZJsq8.pgp
Description: PGP signature

Home | Main Index | Thread Index | Old Index