alloc_page +highmem - how to get physical address in highmem

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alloc_page +highmem - how to get physical address in highmem

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10-30-2014, 07:40 AM	#1
kollianil LQ Newbie Registered: Jul 2009 Posts: 5 Rep:	alloc_page +highmem - how to get physical address in highmem Hello, I have a MIPS based system with 256MB@0x0 low memory and 256MB HIGHMEM@0x50000000. I used alloc_page() with __GFP_HIGHMEM flag. I mapped it using kmap, got virtual address in PKMAP area. I want to get physical address from virtual address? Thanks, Anil.

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