powerpc/mm: update radix__ptep_set_access_flag to not do full mm tlb flush
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Mon, 28 Nov 2016 06:17:02 +0000 (11:47 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 28 Nov 2016 11:44:33 +0000 (22:44 +1100)
commitb3603e174fc81598e8b060d5e9aafe19ee6e65cf
treec88370d7804b2a874ccc1bae4dd95d58d07174da
parent6d3a0379ebdc8e35662343f5359ac4589b79aec2
powerpc/mm: update radix__ptep_set_access_flag to not do full mm tlb flush

When we are updating a pte, we just need to flush the tlb mapping
that pte. Right now we do a full mm flush because we don't track the page
size. Now that we have page size details in pte use that to do the
optimized flush

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/book3s/32/pgtable.h
arch/powerpc/include/asm/book3s/64/pgtable.h
arch/powerpc/include/asm/book3s/64/radix.h
arch/powerpc/include/asm/nohash/32/pgtable.h
arch/powerpc/include/asm/nohash/64/pgtable.h
arch/powerpc/mm/pgtable-book3s64.c
arch/powerpc/mm/pgtable.c