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

From: Kefeng Wang
Date: Sun Nov 28 2021 - 22:08:31 EST



On 2021/11/29 10:54, Dennis Zhou wrote:
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.
It's great to hear about your reply,  thanks.

Thanks,
Dennis
.