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(parent: 942677d) | patch
powerpc/mm: Add comments to the vmemmap layout
authorAnshuman Khandual <khandual@linux.vnet.ibm.com>
Thu, 6 Apr 2017 14:14:49 +0000 (19:44 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 28 Jun 2017 03:08:17 +0000 (13:08 +1000)
commitb7d4ebcb354f7451d0b6494387e967772977e3d7
tree55f6325b851645cfae1439b3866da6ee100ed6a1tree | snapshot
parent942677d10503aaa6be327c2f9ef7c13224e53b20commit | diff
powerpc/mm: Add comments to the vmemmap layout

Add some explaination to the layout of vmemmap virtual address
space and how physical page mapping is only used for valid PFNs
present at any point on the system.

Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/mm/pgtable-hash64.c diff | blob | history
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