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Hi!
Can any-one draw a conclusion?
Which function should be used in which case?
So this will be at least reflected in lkml archives ;-)
David S. Miller wrote:
> On Mon, 3 Nov 2003 14:02:57 -0800
> David Mosberger <davidm@napali.hpl.hp.com> wrote:
>
>
>>>>>>>On 03 Nov 2003 09:17:59 -0500, Jes Sorensen <jes@wildopensource.com> said:
>>
>> Jes> Hmmm, my brain has gotten ia64ified ;-) It's basically the normal
>> Jes> mappings of the kernel, ie. the kernel text/data/bss segments as well
>> Jes> as anything you do not get back as a dynamic mapping such as
>> Jes> ioremap/vmalloc/kmap.
>>
>>I don't think it's safe to use virt_to_page() on static kernel
>>addresses (text, data, and bss). For example, ia64 linux nowadays
>>uses a virtual mapping for the static kernel memory, so it's not part
>>of the identity-mapped segment.
>
>
> That's correct and it'll break on sparc64 for similar reasons.
>
> It's also not safe to do virt_to_page() on kernel stack addresses
> either.
>
--
Ihar 'Philips' Filipau / with best regards from Saarbruecken.
-- _ _ _
"... and for $64000 question, could you get yourself |_|*|_|
vaguely familiar with the notion of on-topic posting?" |_|_|*|
-- Al Viro @ LKML |*|*|*|
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