Re: [patch 3/4 -mm] flex_array: poison free elements

[Li Zefan]

11:41, David Rientjes wrote:
> On Wed, 9 Sep 2009, Li Zefan wrote:
> 
>> I was not talking about ftrace_ret_stack, I was talking about
>> struct ftrace_page and struct ftrace_profile_page. ;)
>>
> 
> Gack, ftrace_page would probably be better off simply using the flex list 
> implementation I suggested which constructs a list from page->lru since it 
> doesn't appear to require indexing into the array, it simply requires an 
> iteration in all cases (or am I wrong?).  Flex lists could easily be made 
> to support seqfiles.
> 

Right, iteration is needed but indexing is not. I thought
about flex list too, flex array has some limitations which
make it hard to find a real user.

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