Date: Fri, 24 Apr 2015 05:37:21 -0700 (PDT) From: Chris Torek <torek@elf.torek.net> To: dim@FreeBSD.org Cc: adrian@freebsd.org, dchagin@freebsd.org, scott4long@yahoo.com, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r281451 - head/sys/vm Message-ID: <201504241237.t3OCbLmd039664@elf.torek.net> In-Reply-To: <695B6002-002A-406C-B843-0DCFE24F81BD@FreeBSD.org>
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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.) Chris
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