Re: kernel memory allocators

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

hi,

> Benefits I've thought about:
> - The kmem pools use pool_caches therefor scalability will be much
> better as the old malloc has a single lock for all access, the pools
> have one each with a per cpu cache layer.
> - The old malloc only returns oversized allocations back to the kmem
> layer but nothing that is in it's bucket, pools can be drained...
> - Removing one redundant interface in the kernel-api (in the long
> term, when dropping the malloc wrapper)

thanks for working on this.
while i'm all for removing malloc(9), i tend to think it should be done
by changing the users to use either kmem_alloc or pool_cache, instead of
making kmem_alloc interrupt-safe.  i don't think there's much demand for
interrupt-safe variable-sized memory allocations.

YAMAMOTO Takashi