svn commit: r281451 - head/sys/vm

[Scott Long]

> On Apr 25, 2015, at 1:06 AM, Chagin Dmitry <dchagin at freebsd.org> wrote:
> 
> On Fri, Apr 24, 2015 at 05:37:21AM -0700, Chris Torek wrote:
>> True, it's not actually odd, it's just surprising the first time
>> one comes across it.
>> 
>> Also, I goofed in the text:
>> 
>>>> With the flexible array, (sizeof(struct uma_cache)) is going to be
>>>> 32 bytes smaller than without it.
>> 
>> It's `struct uma_zone` that shrinks by (potentially) more than one
>> would expect.  (The uma_cache struct is itself 32 bytes and is not
>> changed, so the args.size value should be the same -- implying that
>> some OTHER "sizeof(struct uma_zone)" is where things are going wrong.)
>> 
> vm_mem_init() called before uma init. unfortunately, we have not seen
> a proper info about panic from scottl
> -- 
> Have fun!
> chd

Too early in boot to get a crashdump.