linux-kernel - Re: Re: [PATCH v3 2/4] virtio_balloon: introduce oom-kill invocations

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Date: Tue, 23 Apr 2024 17:21:48 +0800
From: zhenwei pi <pizhenwei@...edance.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
 virtualization@...ts.linux.dev, david@...hat.com, jasowang@...hat.com,
 xuanzhuo@...ux.alibaba.com, akpm@...ux-foundation.org
Subject: Re: Re: [PATCH v3 2/4] virtio_balloon: introduce oom-kill invocations

On 4/23/24 17:13, Michael S. Tsirkin wrote:
> On Tue, Apr 23, 2024 at 11:41:07AM +0800, zhenwei pi wrote:

[snip]
>>   #define VIRTIO_BALLOON_S_NAMES_WITH_PREFIX(VIRTIO_BALLOON_S_NAMES_prefix) { \
>>   	VIRTIO_BALLOON_S_NAMES_prefix "swap-in", \
> 
> Looks like a useful extension. But
> any UAPI extension has to go to virtio spec first.
> 

Sure, I'll send related virtio spec changes once virtio comment mail 
list gets ready.

>> @@ -83,7 +84,8 @@ struct virtio_balloon_config {
>>   	VIRTIO_BALLOON_S_NAMES_prefix "available-memory", \
>>   	VIRTIO_BALLOON_S_NAMES_prefix "disk-caches", \
>>   	VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-allocations", \
>> -	VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-failures" \
>> +	VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-failures", \
>> +	VIRTIO_BALLOON_S_NAMES_prefix "oom-kills" \
>>   }
>>   
>>   #define VIRTIO_BALLOON_S_NAMES VIRTIO_BALLOON_S_NAMES_WITH_PREFIX("")
>> -- 
>> 2.34.1
> 

-- 
zhenwei pi