On 7/27/07, Peter Zijlstra <[EMAIL PROTECTED]> wrote:
> [...]
> +* We want to touch writable mappings with a write fault in otder
> [...]
otder -> order
Greetings
Mauro
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On Jul 26, 2007, at 11:33 PM, Peter Zijlstra wrote:
On Thu, 2007-07-26 at 17:23 -0700, Andrew Morton wrote:
On Thu, 26 Jul 2007 16:52:44 -0700 Suleiman Souhlal
<[EMAIL PROTECTED]> wrote:
make_pages_present() is dirtying mlocked pages if the VMA is
writable, even
though it shouldn't, by te
On Thu, 2007-07-26 at 17:23 -0700, Andrew Morton wrote:
> On Thu, 26 Jul 2007 16:52:44 -0700 Suleiman Souhlal <[EMAIL PROTECTED]> wrote:
>
> > make_pages_present() is dirtying mlocked pages if the VMA is writable, even
> > though it shouldn't, by telling get_user_pages() to simulate a write fault.
On Thu, 26 Jul 2007 16:52:44 -0700 Suleiman Souhlal <[EMAIL PROTECTED]> wrote:
> make_pages_present() is dirtying mlocked pages if the VMA is writable, even
> though it shouldn't, by telling get_user_pages() to simulate a write fault.
>
> A simple way to test this is to mlock a multi-GB file, and
make_pages_present() is dirtying mlocked pages if the VMA is writable, even
though it shouldn't, by telling get_user_pages() to simulate a write fault.
A simple way to test this is to mlock a multi-GB file, and then sync.
The sync will take a long time.
As far as I can see, it should be safe to j
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