On Mon, Jan 13, 2025 at 04:38:59PM +1300, Barry Song wrote: > From: Barry Song <v-songbaohua@xxxxxxxx> > > This is a preparatory patch to support batch PTE unmapping in > `try_to_unmap_one`. It first introduces range handling for > `tlbbatch` flush. Currently, the range is always set to the size of > PAGE_SIZE. > > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: Will Deacon <will@xxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Borislav Petkov <bp@xxxxxxxxx> > Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> > Cc: Anshuman Khandual <anshuman.khandual@xxxxxxx> > Cc: Ryan Roberts <ryan.roberts@xxxxxxx> > Cc: Shaoqin Huang <shahuang@xxxxxxxxxx> > Cc: Gavin Shan <gshan@xxxxxxxxxx> > Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > Cc: David Hildenbrand <david@xxxxxxxxxx> > Cc: Lance Yang <ioworker0@xxxxxxxxx> > Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> > Cc: Yosry Ahmed <yosryahmed@xxxxxxxxxx> > Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx> > Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx> > Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx> > Cc: Yicong Yang <yangyicong@xxxxxxxxxxxxx> > Signed-off-by: Barry Song <v-songbaohua@xxxxxxxx> > --- > arch/arm64/include/asm/tlbflush.h | 26 ++++++++++++++------------ > arch/arm64/mm/contpte.c | 2 +- > arch/riscv/include/asm/tlbflush.h | 3 ++- > arch/riscv/mm/tlbflush.c | 3 ++- > arch/x86/include/asm/tlbflush.h | 3 ++- > mm/rmap.c | 12 +++++++----- > 6 files changed, 28 insertions(+), 21 deletions(-) The arm64 bits look correct to me: Acked-by: Will Deacon <will@xxxxxxxxxx> Will