Re: [PATCH] kevent_user: use struct kevent_mring for the page ring

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On Tue, Aug 22, 2006 at 12:55:04PM +0100, Christoph Hellwig ([email protected]) wrote:
> Currently struct kevent_user.print is an array of unsigned long, but it's used
> as an array of pointers to struct kevent_mring everyewhere in the code.
> 
> Switch it to use the real type and cast the return value from __get_free_page /
> argument to free_page.
> 
> 
>  include/linux/kevent.h      |    2 +-
>  kernel/kevent/kevent_user.c |   31 +++++++++++--------------------
>   2 files changed, 12 insertions(+), 21 deletions(-)
> 
> Signed-off-by: Christoph Hellwig <[email protected]>

I will apply this patch with small minor nit below.

>  	if (idx >= u->pages_in_use) {
> -		u->pring[idx] = __get_free_page(GFP_KERNEL);
> +		u->pring[idx] = (void *)__get_free_page(GFP_KERNEL);

Better cast it directly to (struct kevent_mring *).


If there will not be any objectsion about syscall-based initialization,
I will release new patchset tomorrow with your changes.

Thank you, Christoph.

-- 
	Evgeniy Polyakov
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