* COW pages and paging question
@ 2005-09-14 10:14 Torsten Foertsch
2005-09-14 16:10 ` Hugh Dickins
0 siblings, 1 reply; 2+ messages in thread
From: Torsten Foertsch @ 2005-09-14 10:14 UTC (permalink / raw)
To: linux-kernel
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Hi,
when a process forks it's pages become shared by COW. Now one or both
processes are written partially to the swap space. Later some pages are paged
in.
Are they still shared between the 2 processes? (Assuming they are not written
to and cover the same address range)
Thanks,
Torsten
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: COW pages and paging question
2005-09-14 10:14 COW pages and paging question Torsten Foertsch
@ 2005-09-14 16:10 ` Hugh Dickins
0 siblings, 0 replies; 2+ messages in thread
From: Hugh Dickins @ 2005-09-14 16:10 UTC (permalink / raw)
To: Torsten Foertsch; +Cc: linux-kernel
On Wed, 14 Sep 2005, Torsten Foertsch wrote:
>
> when a process forks it's pages become shared by COW. Now one or both
> processes are written partially to the swap space. Later some pages are paged
> in.
>
> Are they still shared between the 2 processes? (Assuming they are not written
> to and cover the same address range)
Yes.
^ permalink raw reply [flat|nested] 2+ messages in thread
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