2007/3/27, Attilio Rao <[EMAIL PROTECTED]>:
2007/3/27, John Baldwin <[EMAIL PROTECTED]>:
> jhb 2007-03-27 16:51:34 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/kern init_main.c kern_thread.c
> Log:
> Align 'struct thread' on 16 byte boundaries so that the lower 4 bits are
> always 0. Previously we aligned threads on a minimum of 8-byte boundaries.
>
> Note: This changes the uma zone to no longer cache align threads. We
> really want the uma zone to do align threads to MAX(16, cache line size)
> but there currently isn't a good way to express that to uma.
We can workaround it using a function like:
int uma_get_align(void)
(which would be the counter part of uma_set_align).
Its implementations is trivial.
I have a diff for that:
http://users.gufi.org/~rookie/works/patches/uma2.diff
I had no time to sync my branches with last HEAD changes, so I can't
fix uma_zcreate() call... just adding the uma_get_align() function.
Thanks,
Attilio
--
Peace can only be achieved by understanding - A. Einstein
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