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(parent: 31a7ac6) | patch
powerpc/THP: Add code to handle HPTE faults for hugepages
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Thu, 20 Jun 2013 09:00:21 +0000 (14:30 +0530)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 21 Jun 2013 06:01:56 +0000 (16:01 +1000)
commit6f92f08df9c1e5ebb26c208dc0e93ae9633eb025
tree54be7af9af64fdc07e668013e3b6282e3a3de217tree | snapshot
parent31a7ac6420b2c3914f79b1dd6a315ca8e21b357fcommit | diff
powerpc/THP: Add code to handle HPTE faults for hugepages

The deposted PTE page in the second half of the PMD table is used to
track the state on hash PTEs. After updating the HPTE, we mark the
coresponding slot in the deposted PTE page valid.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/include/asm/mmu-hash64.h diff | blob | history
arch/powerpc/mm/Makefile diff | blob | history
arch/powerpc/mm/hash_utils_64.c diff | blob | history
arch/powerpc/mm/hugepage-hash64.c [new file with mode: 0644] blob
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