Re: Kdump issue with percpu_alloc=lpage

From: Tejun Heo <tj@kernel.org>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: John Blackwood <john.blackwood@ccur.com>,
	"kexec@lists.infradead.org" <kexec@lists.infradead.org>
Subject: Re: Kdump issue with percpu_alloc=lpage
Date: Fri, 20 Nov 2009 01:31:22 +0900	[thread overview]
Message-ID: <4B0572DA.3030508@kernel.org> (raw)
In-Reply-To: <20091119162329.GA2923@redhat.com>

Hello,

11/20/2009 01:23 AM, Vivek Goyal wrote:
> I implemented your suggested function. This patch seems to be fixing the
> issue. Does it look good to you?
> 
> Please let me know if you want me to post it to lkml or you will pull it
> in your tree and push it to Linus.

Please post it to lkml and cc me.  I'll push it to Linus afterwards.

> Index: linux9/mm/percpu.c
> ===================================================================
> --- linux9.orig/mm/percpu.c	2009-11-12 19:46:07.000000000 -0500
> +++ linux9/mm/percpu.c	2009-11-19 10:55:35.000000000 -0500
> @@ -2069,3 +2069,12 @@ void __init setup_per_cpu_areas(void)
>  		__per_cpu_offset[cpu] = delta + pcpu_unit_offsets[cpu];
>  }
>  #endif /* CONFIG_HAVE_SETUP_PER_CPU_AREA */
> +
> +unsigned long long per_cpu_ptr_to_phys(void *addr)

Maybe phys_addr_t?

Thanks.

-- 
tejun

_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec