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(parent: b0f36c1) | patch
powerpc/mm: Add comments on vmemmap physical mapping
authorAnshuman Khandual <khandual@linux.vnet.ibm.com>
Thu, 6 Apr 2017 14:14:50 +0000 (19:44 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 28 Jun 2017 03:08:17 +0000 (13:08 +1000)
commit39e46751839dfe4c34eb354eee1e278082fc9d07
tree3f4088a2828a88ba1511c68b220e7e5ca07029aatree | snapshot (tar.gz zip)
parentb0f36c10de8d9bd271ae261604d4e4f47f663255commit | diff
powerpc/mm: Add comments on vmemmap physical mapping

Adds some explaination on how the vmemmap based struct page layout's
physical mapping is allocated and tracked through linked list. It
also keeps note of a possible race condition.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/mm/init_64.c diff | blob | blame | history