[PATCH] kexec: Remove the unnecessary conditional judgement to simplify the code logic
Minfei Huang
mhuang at redhat.com
Sat Jul 25 02:11:31 PDT 2015
Hi, Vivek.
Since Dave acked this patch, Could you help to merge it?
Thanks
Minfei
On 06/15/15 at 05:28pm, Dave Young wrote:
> On 06/06/15 at 02:14pm, Minfei Huang wrote:
> > From: Minfei Huang <mnfhuang at 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 <mnfhuang at 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 <dyoung at redhat.com>
>
> Thanks
> Dave
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