Re: [PATCH v2 7/8] mm: Move lib/show_mem.c to mm/

From: Michal Hocko
Date: Fri Apr 22 2022 - 08:32:50 EST


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@xxxxxxxxx>

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@xxxxxxxx>

> ---
> 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