Date: Wed, 30 Jun 2010 09:36:23 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: pluknet <pluknet@gmail.com> Subject: Re: pde.demotions counts even if pg_ps disabled Message-ID: <201006300936.23839.jhb@freebsd.org> In-Reply-To: <AANLkTimb7dRi4aLYhwBIZjd1NBzu-CWzwnqHX3L5d_8K@mail.gmail.com> References: <AANLkTimb7dRi4aLYhwBIZjd1NBzu-CWzwnqHX3L5d_8K@mail.gmail.com>
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On Wednesday 30 June 2010 7:28:50 am pluknet wrote: > HI. > > This is 7.3-RELEASE-p1 right after boot. > Looks like pmap_demote_pde is not properly protected w/ pg_ps_enabled. The direct map always uses superpages, but we may demote a superpage in the direct map due to conflict caching attributes (all PCI BARs are mapped UC for example). -- John Baldwin
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