linux-kernel - Re: [PATCH] arch: Cleanup unused functions

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Date:   Sun, 30 May 2021 08:26:20 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Palmer Dabbelt <palmerdabbelt@...gle.com>
Cc:     Anup Patel <Anup.Patel@....com>, Arnd Bergmann <arnd@...db.de>,
        Christoph Hellwig <hch@....de>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        linux-sunxi@...ts.linux.dev, Guo Ren <guoren@...ux.alibaba.com>,
        Michal Simek <monstr@...str.eu>
Subject: Re: [PATCH] arch: Cleanup unused functions

On Sun, May 30, 2021 at 7:08 AM Palmer Dabbelt <palmerdabbelt@...gle.com> wrote:
>
> On Tue, 25 May 2021 05:20:34 PDT (-0700), guoren@...nel.org wrote:
> > From: Guo Ren <guoren@...ux.alibaba.com>
> >
> > These functions haven't been used, so just remove them. The patch
> > has been tested with riscv, but I only use grep to check the
> > microblaze's.
> >
> > Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
> > Cc: Arnd Bergmann <arnd@...db.de>
> > Cc: Michal Simek <monstr@...str.eu>
> > Cc: Christoph Hellwig <hch@....de>
> > ---
> >  arch/microblaze/include/asm/page.h |  3 ---
> >  arch/riscv/include/asm/page.h      | 10 ----------
> >  2 files changed, 13 deletions(-)
> >
> > diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
> > index bf681f2..ce55097 100644
> > --- a/arch/microblaze/include/asm/page.h
> > +++ b/arch/microblaze/include/asm/page.h
> > @@ -35,9 +35,6 @@
> >
> >  #define ARCH_SLAB_MINALIGN   L1_CACHE_BYTES
> >
> > -#define PAGE_UP(addr)        (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
> > -#define PAGE_DOWN(addr)      ((addr)&(~((PAGE_SIZE)-1)))
> > -
> >  /*
> >   * PAGE_OFFSET -- the first address of the first page of memory. With MMU
> >   * it is set to the kernel start address (aligned on a page boundary).
> > diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h
> > index 6a7761c..a1b888f 100644
> > --- a/arch/riscv/include/asm/page.h
> > +++ b/arch/riscv/include/asm/page.h
> > @@ -37,16 +37,6 @@
> >
> >  #ifndef __ASSEMBLY__
> >
> > -#define PAGE_UP(addr)        (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
> > -#define PAGE_DOWN(addr)      ((addr)&(~((PAGE_SIZE)-1)))
> > -
> > -/* align addr on a size boundary - adjust address up/down if needed */
> > -#define _ALIGN_UP(addr, size)        (((addr)+((size)-1))&(~((size)-1)))
> > -#define _ALIGN_DOWN(addr, size)      ((addr)&(~((size)-1)))
> > -
> > -/* align addr on a size boundary - adjust address up if needed */
> > -#define _ALIGN(addr, size)   _ALIGN_UP(addr, size)
> > -
> >  #define clear_page(pgaddr)                   memset((pgaddr), 0, PAGE_SIZE)
> >  #define copy_page(to, from)                  memcpy((to), (from), PAGE_SIZE)
>
> Reviewed-by: Palmer Dabbelt <palmerdabbelt@...gle.com>
> Acked-by: Palmer Dabbelt <palmerdabbelt@...gle.com>
>
> It's generally easier if you split this sort of stuff up, as it'll be
> easier to merge if we don't have to coordinate between the trees.  I'm
> happy to take this, but I'd prefer an Ack from one of the microblaze
> folks first.
Em ... I'll separate it. Thx for reply.

-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/