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(parent: 86582b3) | 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)
commit4e42ab7a839cec43895dab2757001ac9adfc3c6f
tree54be7af9af64fdc07e668013e3b6282e3a3de217tree | snapshot
parent86582b3f9bdb1f8661f9c94a89e7a0bcf60f9ceacommit | 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
Linux Kernel Source Tree.