On 2023/7/25 10:35, Muchun Song wrote:
On Jul 24, 2023, at 17:43, Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> wrote: The mm/vmscan.c file is too large, so separate the shrinker-related code from it into a separate file. No functional changes. Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> --- include/linux/shrinker.h | 3 + mm/Makefile | 4 +- mm/shrinker.c | 707 +++++++++++++++++++++++++++++++++++++++ mm/vmscan.c | 701 -------------------------------------- 4 files changed, 712 insertions(+), 703 deletions(-) create mode 100644 mm/shrinker.c diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h index 224293b2dd06..961cb84e51f5 100644 --- a/include/linux/shrinker.h +++ b/include/linux/shrinker.h @@ -96,6 +96,9 @@ struct shrinker { */ #define SHRINKER_NONSLAB (1 << 3) +unsigned long shrink_slab(gfp_t gfp_mask, int nid, struct mem_cgroup *memcg, + int priority);A good cleanup, vmscan.c is so huge. I'd like to introduce a new header in mm/ directory and contains those declarations of functions (like this and other debug function in shrinker_debug.c) since they are used internally across mm.
How about putting them in the mm/internal.h file?
Thanks.
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