linux-kernel - Re: [PATCH v2 7/8] mm: Move lib/show

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Date:   Fri, 22 Apr 2022 14:32:44 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     Kent Overstreet <kent.overstreet@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, hch@....de, hannes@...xchg.org,
        akpm@...ux-foundation.org, linux-clk@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-input@...r.kernel.org,
        roman.gushchin@...ux.dev
Subject: Re: [PATCH v2 7/8] mm: Move lib/show_mem.c to mm/

On Thu 21-04-22 19:48:36, Kent Overstreet wrote:
> show_mem.c is really mm specific, and the next patch in the series is
> going to require mm/slab.h, so let's move it before doing more work on
> it.
> 
> Signed-off-by: Kent Overstreet <kent.overstreet@...il.com>

No real objections on this. I do agree that this is an mm specific
thing. It depends on other things in mm/page_alloc.c so I wouldn't mind
those living close together.

Acked-by: Michal Hocko <mhocko@...e.com>

> ---
>  lib/Makefile           | 2 +-
>  mm/Makefile            | 2 +-
>  {lib => mm}/show_mem.c | 0
>  3 files changed, 2 insertions(+), 2 deletions(-)
>  rename {lib => mm}/show_mem.c (100%)
> 
> diff --git a/lib/Makefile b/lib/Makefile
> index 31a3904eda..c5041d33d0 100644
> --- a/lib/Makefile
> +++ b/lib/Makefile
> @@ -30,7 +30,7 @@ endif
>  lib-y := ctype.o string.o vsprintf.o cmdline.o \
>  	 rbtree.o radix-tree.o timerqueue.o xarray.o \
>  	 idr.o extable.o sha1.o irq_regs.o argv_split.o \
> -	 flex_proportions.o ratelimit.o show_mem.o \
> +	 flex_proportions.o ratelimit.o \
>  	 is_single_threaded.o plist.o decompress.o kobject_uevent.o \
>  	 earlycpio.o seq_buf.o siphash.o dec_and_lock.o \
>  	 nmi_backtrace.o nodemask.o win_minmax.o memcat_p.o \
> diff --git a/mm/Makefile b/mm/Makefile
> index 70d4309c9c..97c0be12f3 100644
> --- a/mm/Makefile
> +++ b/mm/Makefile
> @@ -54,7 +54,7 @@ obj-y			:= filemap.o mempool.o oom_kill.o fadvise.o \
>  			   mm_init.o percpu.o slab_common.o \
>  			   compaction.o vmacache.o \
>  			   interval_tree.o list_lru.o workingset.o \
> -			   debug.o gup.o mmap_lock.o $(mmu-y)
> +			   debug.o gup.o mmap_lock.o show_mem.o $(mmu-y)
>  
>  # Give 'page_alloc' its own module-parameter namespace
>  page-alloc-y := page_alloc.o
> diff --git a/lib/show_mem.c b/mm/show_mem.c
> similarity index 100%
> rename from lib/show_mem.c
> rename to mm/show_mem.c
> -- 
> 2.35.2

-- 
Michal Hocko
SUSE Labs