From: Eric Dumazet <[EMAIL PROTECTED]>
Date: Tue, 01 Jan 2008 13:44:15 +0100
> Using __get_free_pages() has some drawbacks :
>
> 1) Not NUMA aware
>
> 2) 2^X page granularity :
> On arches with big PAGE_SIZE, we waste some ram for each cpu.
>
> (We currently use 1024 pointers, that is at most 8
Using __get_free_pages() has some drawbacks :
1) Not NUMA aware
2) 2^X page granularity :
On arches with big PAGE_SIZE, we waste some ram for each cpu.
(We currently use 1024 pointers, that is at most 8192 bytes, but
PAGE_SIZE can be 65536 for example : With say 64 possible cpus,
thats about 56
