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(parent: c642af9) | 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)
commitb0f36c10de8d9bd271ae261604d4e4f47f663255
tree55f6325b851645cfae1439b3866da6ee100ed6a1tree | snapshot (tar.gz zip)
parentc642af9c41f09296997519499d16ff30e700816acommit | 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 | blame | history