lkml.org 
[lkml]   [2005]   [Nov]   [18]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateFri, 18 Nov 2005 00:08:02 -0800 (PST)
SubjectRe: [PATCH 07/11] unpaged: COW on VM_UNPAGED
From"David S. Miller" <>
From: Hugh Dickins <hugh@veritas.com>
Date: Fri, 18 Nov 2005 08:02:02 +0000 (GMT)
> That code is necessary to reproduce the existing behaviour, which has
> always done COW on PageReserved mappings without complaint - if the
> vm_page_prot didn't already let you slip through without a WP fault.

And there is evidence today that this is really needed, at least
by vbetool.

Ok, we need COW on VM_UNPAGED. :)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-11-18 08:11    [from the cache]
©2003-2008