Re: [PATCH 5/5][RFC][CFT] resizable namespace.c hashes

[Andi Kleen]

Al Viro <viro@xxxxxxxxxxxxxxxxxx> writes:

> * switch allocation to alloc_large_system_hash()
> * make sizes overridable by boot parameters (mhash_entries=, mphash_entries=)
> * switch mountpoint_hashtable from list_head to hlist_head

So how much memory does this use on a standard system (<4GB memory)?
How much memory does it use on a large system (0.5TB)?

How good is your hash function. Would jhash be more appropiate
and allow smaller hash tables?

Perhaps just want a tree here.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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