Re: [PATCH] staging: zsmalloc: add user-definable alloc/free funcs

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On 03/16/2012 04:32 PM, Greg Kroah-Hartman wrote:
> On Fri, Mar 16, 2012 at 04:04:48PM -0500, Seth Jennings wrote:
>> This patch allows a zsmalloc user to define the page
>> allocation and free functions to be used when growing
>> or releasing parts of the memory pool.
>>
>> The functions are passed in the struct zs_pool_ops parameter
>> of zs_create_pool() at pool creation time.  If this parameter
>> is NULL, zsmalloc uses alloc_page and __free_page() by default.
>>
>> While there is no current user of this functionality, zcache
>> development plans to make use of it in the near future.
> 
> I'm starting to get tired of seeing new features be added to this chunk
> of code, and the other related bits, without any noticable movement
> toward getting it merged into the mainline tree.

Fair enough

> 
> So, I'm going to take a stance here and say, no more new features until
> it gets merged into the "real" part of the kernel tree, as you all
> should not be spinning your wheels on new stuff, when there's no
> guarantee that the whole thing could just be rejected outright tomorrow.
> 
> I'm sorry, I know this isn't fair for your specific patch, but we have
> to stop this sometime, and as this patch adds code isn't even used by
> anyone, its a good of a time as any.

So, this the my first "promotion from staging" rodeo.  I would love to
see this code mainlined ASAP.  How would I/we go about doing that?

I guess another way to ask is, what needs to be done in the way of
code quality and acks in the community to promote zcache to
/drivers/misc for example?

Also, the tmem part of zcache will (probably, Dan?) be broken
out an placed in /lib.

--
Seth

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