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@xxxxxxxxx > Cc: heiko.carstens@xxxxxxxxxx > Cc: will.deacon@xxxxxxx > Cc: aneesh.kumar@xxxxxxxxxxxxxxxxxx > Cc: akpm@xxxxxxxxxxxxxxxxxxxx > Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > Cc: linux@xxxxxxxxxxxxxxx > Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> > Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> > Link: http://lkml.kernel.org/r/20180918125151.31744-2-schwidefsky@xxxxxxxxxx > --- > 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@xxxxxxx> Will
