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Message-ID: <44D75786.8030603@shadowen.org> Date: Mon, 07 Aug 2006 16:08:54 +0100 From: Andy Whitcroft <apw@...dowen.org> To: Hugh Dickins <hugh@...itas.com> CC: Andrew Morton <akpm@...l.org>, Rusty Russell <rusty@...tcorp.com.au>, Andi Kleen <ak@...e.de>, linux-kernel@...r.kernel.org Subject: Re: 2.6.18-rc3-mm2 early_param mem= fix Hugh Dickins wrote: > On Sun, 6 Aug 2006, Hugh Dickins wrote: >> I was impressed by how fast 2.6.18-rc3-mm2 is under memory pressure, >> until I noticed that my "mem=512M" boot option was doing nothing. The >> two fixes below got it working, but I wonder how many other early_param >> "option=" args are wrong (e.g. "memmap=" in the same file): x86_64 >> shows many such, i386 shows only one, I've not followed it up further. > > Oh, and that's not enough for it to show up in x86_64's /proc/cmdline. Thats one I've been chasing and is caused by this same patch. We've lost the separation between command_line and saved_command_line and the user visible line gets trunc'd. Andi has a later version which has this part fixed as far as I can tell. I'm posting a dirty patch in response to my report of this to at least get past this bit as our test system relies on the commmand line being maintained to user space. -apw - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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