Re: git-svnimport failed and now git-repack hates me

From: Junio C Hamano <junkio@cox.net>
Date: Jan 5, 2007, 23:58 UTC
Message-ID: <7vac0xc9g8.fsf@assigned-by-dhcp.cox.net>
In-Reply-To: <Pine.LNX.4.64.0701051515000.3661@woody.osdl.org>

Linus Torvalds <torvalds@osdl.org> writes:

Show 5 quoted lines

> It does actually end up forcing the kernel to do more work (it's harder to 
> re-use a mapped page than it is to reuse one that isn't), and in that 
> sense, if you have less than <n> GB of RAM and can't just keep it all in 
> memory at the same time, doing one large mmap is possibly more expensive 
> than chunking things up.

Even if it is a read-only private mapping? Would MAP_SHARED help?

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