bug#22526: 25.0.90; Crash starting gnus

[Eli Zaretskii]

> From: Fabrice Popineau <fabrice.popineau@gmail.com>
> Date: Sun, 14 Feb 2016 22:04:39 +0100
> Cc: andrewjmoreton@gmail.com, 22526@debbugs.gnu.org
> 
> Also vmmap reports a 4k block committed at 0x1F0000. If I ask vmmap to 
> display free/unusable blocks,
> it reports 0x1F1000 as unusable, size 60k and committed 60k. The problem is 
> that the first block has been 
> allocated with 4k, so the next 60k are unusable. We should allocate by block 
> by allocation granularity 
> as reported by GetSystemInfo().

Actually... are you saying this explains Andrew's problem in some way?
I cannot see how, because in that case we requested less than 1 page
in the next region, so if even 4KB (one page) was available there, the
call to VirtualAlloc to commit that chunk should have succeeded.  No?