Benjamin Herrenschmidt <b...@kernel.crashing.org> writes: > On Mon, 2015-09-21 at 12:10 +0530, Aneesh Kumar K.V wrote: >> Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> >> --- >> arch/powerpc/mm/Makefile | 3 + >> arch/powerpc/mm/hash64_64k.c | 204 +++++++++++++++++++++ >> arch/powerpc/mm/hash_low_64.S | 380 ------------------------------ >> ---------- >> arch/powerpc/mm/hash_utils_64.c | 4 +- >> 4 files changed, 210 insertions(+), 381 deletions(-) >> create mode 100644 arch/powerpc/mm/hash64_64k.c > > Did you check if there was any measurable performance difference ? >
Not with this patch series. I did look at the .s file generated between __hash_page_4k and hash64_4k.c and found them similar. I will also try some micro benchmarks w.r.t hash insert/update and will update later with numbers. -aneesh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
