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powerpc: Optimize hugepage invalidate
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Thu, 20 Jun 2013 09:00:27 +0000 (14:30 +0530)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 21 Jun 2013 06:01:58 +0000 (16:01 +1000)
commit1a5272866f87d7fbf04dc8060f8da3e8456490ab
treecaaff51d526d91200d9463d6d5e6f22c37ee11cetree | snapshot (tar.gz zip)
parent437d496457a30ce9ccccb94b2373c201b2558392commit | diff
powerpc: Optimize hugepage invalidate

Hugepage invalidate involves invalidating multiple hpte entries.
Optimize the operation using H_BULK_REMOVE on lpar platforms.
On native, reduce the number of tlb flush.

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/machdep.h diff | blob | blame | history
arch/powerpc/mm/hash_native_64.c diff | blob | blame | history
arch/powerpc/mm/pgtable_64.c diff | blob | blame | history
arch/powerpc/platforms/pseries/lpar.c diff | blob | blame | history