Re: [RFC][PATCH] Remove cgroup member from struct page

[Balbir Singh]

kamezawa.hiroyu@xxxxxxxxxxxxxx wrote:
> ----- Original Message -----
>>> Balbir, are you ok to CONFIG_CGROUP_MEM_RES_CTLR depends on CONFIG_SPARSEME
> M ?
>>> I thinks SPARSEMEM(SPARSEMEM_VMEMMAP) is widely used in various archs now.
>> Can't we make it more generic. I was thinking of allocating memory for each n
> ode
>> for page_cgroups (of the size of spanned_pages) at initialization time. I've 
> not
>> yet prototyped the idea. BTW, even with your approach I fail to see why we ne
> ed
>> to add a dependency on CONFIG_SPARSEMEM (but again it is 4:30 in the morning 
> and
>> I might be missing the obvious)
> 
> Doesn't have big issue without CONFIG_SPARSEMEM, maybe.
> Sorry for my confusion.

No problem, I am glad to know that we are not limited to a particular model.

-- 
	Balbir
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