From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Tue, 9 Oct 2018 12:50:49 +0100 Subject: [PATCH v2] Documentation/arm64: HugeTLB page implementation In-Reply-To: <87ftxf7812.fsf@e105922-lin.cambridge.arm.com> References: <97e4e5fb-24ed-0545-414a-6a0c0116e6b8@infradead.org> <20181008100355.31820-1-punit.agrawal@arm.com> <67f4ceb7-d41c-ab7a-4d5e-c147dadf6860@infradead.org> <87ftxf7812.fsf@e105922-lin.cambridge.arm.com> Message-ID: <20181009115049.GA6248@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Oct 09, 2018 at 11:02:01AM +0100, Punit Agrawal wrote: > Randy Dunlap writes: > > > On 10/8/18 3:03 AM, Punit Agrawal wrote: > >> Arm v8 architecture supports multiple page sizes - 4k, 16k and > >> 64k. Based on the active page size, the Linux port supports > >> corresponding hugepage sizes at PMD and PUD(4k only) levels. > >> > >> In addition, the architecture also supports caching larger sized > >> ranges (composed of multiple entries) at the PTE and PMD level in the > >> TLBs using the contiguous bit. The Linux port makes use of this > >> architectural support to enable additional hugepage sizes. > >> > >> Describe the two different types of hugepages supported by the arm64 > >> kernel and the hugepage sizes enabled by each. > >> > >> Signed-off-by: Punit Agrawal > >> Cc: Catalin Marinas > >> Cc: Will Deacon > >> Cc: Jonathan Corbet > > > > Acked-by: Randy Dunlap > > Thanks! > > Catalin, Will - I assume you'll pick this up at some point? Or do arm64 > documentation patches get routed by another tree? Acked-by: Will Deacon Catalin can pick this up for 4.20. Will