On 06/06/15 at 02:14pm, Minfei Huang wrote:
> From: Minfei Huang <mnfhu...@gmail.com>
>
> Transforming PFN(Page Frame Number) to struct page is never failure, so
> we can simplify the code logic to do the image->control_page assignment
> directly in the loop, and remove the unnecessary conditional judgement.
>
> Signed-off-by: Minfei Huang <mnfhu...@gmail.com>
> ---
> kernel/kexec.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/kernel/kexec.c b/kernel/kexec.c
> index 7a36fdc..4589899 100644
> --- a/kernel/kexec.c
> +++ b/kernel/kexec.c
> @@ -796,11 +796,10 @@ static struct page
> *kimage_alloc_crash_control_pages(struct kimage *image,
> /* If I don't overlap any segments I have found my hole! */
> if (i == image->nr_segments) {
> pages = pfn_to_page(hole_start >> PAGE_SHIFT);
> + image->control_page = hole_end;
> break;
> }
> }
> - if (pages)
> - image->control_page = hole_end;
>
> return pages;
> }
Acked-by: Dave Young <dyo...@redhat.com>
Thanks
Dave
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