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SubjectRe: [PATCH v2 01/47] mm: vmscan: move shrinker-related code into a separate file
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On 2023/7/25 10:35, Muchun Song wrote:
>
>
>> On Jul 24, 2023, at 17:43, Qi Zheng <zhengqi.arch@bytedance.com> 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@bytedance.com>
>> ---
>> 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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