Re: [PATCH RFC 0/4] mm: percpu: Cleanup percpu first chunk funciton

From: Dennis Zhou
Date: Sun Nov 28 2021 - 21:56:39 EST


On Mon, Nov 29, 2021 at 10:51:18AM +0800, Kefeng Wang wrote:
> Hi Dennis and all maintainers, any comments about the changes, many thanks.
>
> On 2021/11/21 17:35, Kefeng Wang wrote:
> > When support page mapping percpu first chunk allocator on arm64, we
> > found there are lots of duplicated codes in percpu embed/page first
> > chunk allocator. This patchset is aimed to cleanup them and should
> > no funciton change, only test on arm64.
> >
> > Kefeng Wang (4):
> > mm: percpu: Generalize percpu related config
> > mm: percpu: Add pcpu_fc_cpu_to_node_fn_t typedef
> > mm: percpu: Add generic pcpu_fc_alloc/free funciton
> > mm: percpu: Add generic pcpu_populate_pte() function
> >
> > arch/arm64/Kconfig | 20 +----
> > arch/ia64/Kconfig | 9 +--
> > arch/mips/Kconfig | 10 +--
> > arch/mips/mm/init.c | 14 +---
> > arch/powerpc/Kconfig | 17 +---
> > arch/powerpc/kernel/setup_64.c | 92 +--------------------
> > arch/riscv/Kconfig | 10 +--
> > arch/sparc/Kconfig | 12 +--
> > arch/sparc/kernel/smp_64.c | 105 +-----------------------
> > arch/x86/Kconfig | 17 +---
> > arch/x86/kernel/setup_percpu.c | 66 ++-------------
> > drivers/base/arch_numa.c | 68 +---------------
> > include/linux/percpu.h | 13 +--
> > mm/Kconfig | 12 +++
> > mm/percpu.c | 143 +++++++++++++++++++++++++--------
> > 15 files changed, 165 insertions(+), 443 deletions(-)
> >

Hi Kefang,

I apologize for the delay. It's a holiday week in the US + I had some
personal things come up at the beginning of last week. I'll have it
reviewed by tomorrow.

Thanks,
Dennis