Le jeudi 17 novembre 2011 à 14:45 +0000, Ian Campbell a écrit :

Am I right that it's not so much a case of fitting into half a page but
more like not wasting nearly half a page if you end up requiring a 4096
byte allocation? (This is probably splitting hairs, I'm really just
curious)

Performance implications are quite high :

Here is what I did to bnx2x driver to reduce the space from 4096 to
2048, and you can see performance results :

http://git.kernel.org/?p=linux/kernel/git/davem/net-next.git;a=commit;h=e52fcb2462ac484e6dd6e68869536609f0216938