[PATCH v5 5/5] s390/vmcore: Use vmcore for zfcpdump
HATAYAMA Daisuke
d.hatayama at jp.fujitsu.com
Tue Jun 11 19:47:52 EDT 2013
(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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