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(parent: b584c25) | patch
powerpc/mm: Add devmap support for ppc64
authorOliver O'Halloran <oohall@gmail.com>
Wed, 28 Jun 2017 01:32:34 +0000 (11:32 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 2 Jul 2017 10:40:28 +0000 (20:40 +1000)
commitebd31197931d75c837269f3fd3365b4cee358faf
tree53525796d793b5cc488c21d5d1fca5cb739623ebtree | snapshot
parentb584c2544041707ea041748dbfbb1081289c6cf5commit | diff
powerpc/mm: Add devmap support for ppc64

Add support for the devmap bit on PTEs and PMDs for PPC64 Book3S.  This
is used to differentiate device backed memory from transparent huge
pages since they are handled in more or less the same manner by the core
mm code.

Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/book3s/64/pgtable.h diff | blob | history
arch/powerpc/include/asm/book3s/64/radix.h diff | blob | history
arch/powerpc/mm/hugetlbpage.c diff | blob | history
arch/powerpc/mm/pgtable-book3s64.c diff | blob | history
arch/powerpc/mm/pgtable-hash64.c diff | blob | history
arch/powerpc/mm/pgtable-radix.c diff | blob | history
arch/powerpc/mm/pgtable_64.c diff | blob | history
Linux kernel for KaRo TX COM modules