memblock: Add memblock_mem_size()
authorYinghai Lu <yinghai@kernel.org>
Thu, 24 Jan 2013 20:20:09 +0000 (12:20 -0800)
committerH. Peter Anvin <hpa@linux.intel.com>
Wed, 30 Jan 2013 03:32:57 +0000 (19:32 -0800)
Use it to get mem size under the limit_pfn.
to replace local version in x86 reserved_initrd.

-v2: remove not needed cast that is pointed out by HPA.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1359058816-7615-29-git-send-email-yinghai@kernel.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

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