svn commit: r211396 - head/sys/vm

Lawrence Stewart lstewart at freebsd.org
Tue Aug 17 00:50:32 UTC 2010


On 08/17/10 00:24, Andre Oppermann wrote:
> Author: andre
> Date: Mon Aug 16 14:24:00 2010
> New Revision: 211396
> URL: http://svn.freebsd.org/changeset/base/211396
> 
> Log:
>   Add uma_zone_get_max() to obtain the effective limit after a call
>   to uma_zone_set_max().
>   
>   The UMA zone limit is not exactly set to the value supplied but
>   rounded up to completely fill the backing store increment (a page
>   normally).  This can lead to surprising situations where the number
>   of elements allocated from UMA is higher than the supplied limit
>   value.  The new get function reads back the effective value so that
>   the supplied limit value can be adjusted to the real limit.
>   
>   Reviewed by:	jeffr
>   MFC after:	1 week


Cool, thanks!

Cheers,
Lawrence


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