Messages in this thread | | | Date | Tue, 19 Feb 2019 12:47:58 +0000 | From | Will Deacon <> | Subject | Re: [PATCH v6 13/18] asm-generic/tlb: Introduce HAVE_MMU_GATHER_NO_GATHER |
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On Tue, Feb 19, 2019 at 11:32:01AM +0100, Peter Zijlstra wrote: > Add the Kconfig option HAVE_MMU_GATHER_NO_GATHER to the generic > mmu_gather code. If the option is set the mmu_gather will not > track individual pages for delayed page free anymore. A platform > that enables the option needs to provide its own implementation > of the __tlb_remove_page_size function to free pages. > > Cc: npiggin@gmail.com > Cc: heiko.carstens@de.ibm.com > Cc: will.deacon@arm.com > Cc: aneesh.kumar@linux.vnet.ibm.com > Cc: akpm@linux-foundation.org > Cc: Linus Torvalds <torvalds@linux-foundation.org> > Cc: linux@armlinux.org.uk > Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> > Link: http://lkml.kernel.org/r/20180918125151.31744-2-schwidefsky@de.ibm.com > --- > arch/Kconfig | 3 + > include/asm-generic/tlb.h | 9 +++ > mm/mmu_gather.c | 107 +++++++++++++++++++++++++--------------------- > 3 files changed, 70 insertions(+), 49 deletions(-)
Acked-by: Will Deacon <will.deacon@arm.com>
Will
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