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3 Commits

Author SHA1 Message Date
Aneesh Kumar K.V 157d4d0620 powerpc/mm/radix: Add missing tlb flush 
This should not have any impact on hash, because hash does tlb
invalidate with every pte update and we don't implement
flush_tlb_* functions for hash. With radix we should make an explicit
call to flush tlb outside pte update.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
 2016-06-01 13:47:34 +10:00
Aneesh Kumar K.V bde3eb6222 powerpc/mm/radix: Add radix THP callbacks 
The deposited pgtable_t is a pte fragment hence we cannot use page->lru
for linking then together. We use the first two 64 bits for pte fragment
as list_head type to link all deposited fragments together. On withdraw
we properly zero then out.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
 2016-05-11 21:53:57 +10:00
Aneesh Kumar K.V 3df33f12be powerpc/mm/thp: Abstraction for THP functions 
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
 2016-05-11 21:53:57 +10:00