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Date: Wed, 12 Jun 2013 08:47:52 +0900
From: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
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To: Michael Holzheu <holzheu@linux.vnet.ibm.com>
CC: Vivek Goyal <vgoyal@redhat.com>,
        Heiko Carstens <heiko.carstens@de.ibm.com>, kexec@lists.infradead.org,
        Jan Willeke <willeke@de.ibm.com>, linux-kernel@vger.kernel.org,
        Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [PATCH v5 5/5] s390/vmcore: Use vmcore for zfcpdump
References: <1370624161-2298-1-git-send-email-holzheu@linux.vnet.ibm.com> <1370624161-2298-6-git-send-email-holzheu@linux.vnet.ibm.com>
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(2013/06/08 1:56), Michael Holzheu wrote:
<cut>
> @@ -82,6 +116,43 @@ int remap_oldmem_pfn_range(struct vm_area_struct *vma, unsigned long from,
>   }
>
>   /*
> + * Remap "oldmem" for zfcpdump
> + *
> + * We only map available memory above ZFCPDUMP_HSA_SIZE. Memory below
> + * ZFCPDUMP_HSA_SIZE is read on demand using the copy_oldmem_page() function.
> + */
> +static int remap_oldmem_pfn_range_zfcpdump(struct vm_area_struct *vma,
> +					   unsigned long from,
> +					   unsigned long pfn,
> +					   unsigned long size, pgprot_t prot)
> +{
> +	unsigned long size_hsa;
> +
> +	if (pfn < ZFCPDUMP_HSA_SIZE >> PAGE_SHIFT) {
> +		size_hsa = min(size, OLDMEM_SIZE - (pfn << PAGE_SHIFT));

ZFCPDUMP_HSA_SIZE?

-- 
Thanks.
HATAYAMA, Daisuke

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