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(parent: c367714) | 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)
commit6d492ecc6489113968ec269be1cf88942d4a5d29
tree54be7af9af64fdc07e668013e3b6282e3a3de217tree | snapshot (tar.gz zip)
parentc367714ce807faff3f0c48064cda158d5117b419commit | 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 | blame | history
arch/powerpc/mm/Makefile diff | blob | blame | history
arch/powerpc/mm/hash_utils_64.c diff | blob | blame | history
arch/powerpc/mm/hugepage-hash64.c [new file with mode: 0644] blob