From: Christoph Hellwig <h...@lst.de> Date: Sat, 1 Jun 2019 09:49:43 +0200
> below is a series to switch mips, sh and sparc64 to use the generic > GUP code so that we only have one codebase to touch for further > improvements to this code. I don't have hardware for any of these > architectures, and generally no clue about their page table > management, so handle with care. > > Changes since v1: > - fix various issues found by the build bot > - cherry pick and use the untagged_addr helper form Andrey > - add various refactoring patches to share more code over architectures > - move the powerpc hugepd code to mm/gup.c and sync it with the generic > hup semantics I will today look seriously at the sparc64 stuff wrt. tagged pointers.
