From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Subject: Re: What's cooking in git.git (Apr 2016, #07; Mon, 25)
Date: Wed, 27 Apr 2016 14:56:27 +0200 (CEST)
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To: Junio C Hamano <gitster@pobox.com>
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Hi Junio,

On Mon, 25 Apr 2016, Junio C Hamano wrote:

> * js/win32-mmap (2016-04-22) 3 commits
>   (merged to 'next' on 2016-04-22 at cd39c60)
>  + mmap(win32): avoid expensive fstat() call
>  + mmap(win32): avoid copy-on-write when it is unnecessary
>  + win32mmap: set errno appropriately
> 
>  mmap emulation on Windows has been optimized.

Please note that it is not purely an optimization. It is also a bug fix in
case of a pretty full disk: on Windows, mmap() is backed by the page file
if it is in copy-on-write mode, and that can fail when the free space on
the drive that has the page file drops below a certain threshold.

Thanks,
Dscho