Re: [LTP] [PATCH] Set tunable value of min_free_kbytes lower

[Wanlong Gao <gaowanlong@cn.fujitsu.com>]

> yes, you are right.
> I tried to fork several processes to hog memory, but I don't think it's 
> a better way, so a good solution(I think) is included in below patch.
> 
>>
>> And we can also patch the overflow issue which I mentioned before:
>>
>> The type of total_mem "unsigned long" is not suitable with nowadays
>> memory ,it will overflow(with i386) in line 177:map_count = total_mem
>> *
>> KB / MAP_SIZE and the value of map_count is not correct.
>> Using "unsigned long long" could fix this issue.
> 
> after re-check the code, I found map_count was not necessary, so I 
> removed it,
> at the same time, it fixed your the overflow issue.
> 
> please review the patch again, if you agree the fix, I will send a 
> formal patch set in new subject:


So, please, thank you.

Wanlong Gao


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