* [RFC] PageReserved ?
@ 2005-06-14 21:15 Badari Pulavarty
2005-06-14 21:47 ` Andi Kleen
0 siblings, 1 reply; 2+ messages in thread
From: Badari Pulavarty @ 2005-06-14 21:15 UTC (permalink / raw)
To: linux-mm
Hi,
On Andrew's suggestion, I am looking at possibility of getting
rid of PageReserved() usage. I see lots of drivers setting this
flag. I am wondering what was the (intended) purpose of
PageReserved() ?
Thanks,
Badari
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* Re: [RFC] PageReserved ?
2005-06-14 21:15 [RFC] PageReserved ? Badari Pulavarty
@ 2005-06-14 21:47 ` Andi Kleen
0 siblings, 0 replies; 2+ messages in thread
From: Andi Kleen @ 2005-06-14 21:47 UTC (permalink / raw)
To: Badari Pulavarty; +Cc: linux-mm
Badari Pulavarty <pbadari@us.ibm.com> writes:
> Hi,
>
> On Andrew's suggestion, I am looking at possibility of getting
> rid of PageReserved() usage. I see lots of drivers setting this
> flag. I am wondering what was the (intended) purpose of
> PageReserved() ?
When the page is mapped into user space then the swapper won't
try to swap it out when that bit is set.
-Andi
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