Re: Invalidating a page of a user level process.

[Arjan van de Ven <arjan@infradead.org>]

On Thu, 2006-03-16 at 06:59 +0000, VISHAL NAHAR wrote:
> Hello all,
>    I am stuck up at invalidation of a   page of a user
> level process.
> Wht i am doin is that i am calling a device driver
> ioctl func from a normal C prog in user space and
> passing a virtual address into the ioctl func .In the
> ioctl func (kernel space) i want to invalidate the
> corresponding page.I have used funcs like pte_clear,
> flush_tlb_page,page_remove_rmap,etc. but couldnt
> succeed.Also suggest if any locks have to be acquired
> .
> 
> Can anyone of u help me in page invalidation.I would
> be grateful.
> Thanking you  in advance

you forgot to attach your sourcecode.


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