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Date: Thu, 24 May 2012 10:02:37 +0900 From: Paul Mundt <lethal@...ux-sh.org> To: "Turquette, Mike" <mturquette@...com> Cc: Peter De Schrijver <pdeschrijver@...dia.com>, Ben Dooks <ben.dooks@...ethink.co.uk>, Prashant Gaikwad <pgaikwad@...dia.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org> Subject: Re: Clock register in early init On Tue, May 22, 2012 at 10:37:15AM -0700, Turquette, Mike wrote: > On Tue, May 22, 2012 at 5:08 AM, Peter De Schrijver > <pdeschrijver@...dia.com> wrote: > >> We had at-least that on the older Samsung parts and they where still > >> growing. I would suggest that in a multi-kernel image situation the > >> more data that can be discarded after init-time the better. > >> > >> Also, __initdata gets gathered into one place so there's no possibility > >> of page fragmentation there. If you mean fragmentation of the memory > >> map, then allocate the size of all the clocks you know of at init time > >> in one go. > >> > > > > That would work, except that clocks are needed before kmalloc is available. > > > > Is static initialization the only way to solve this problem? What > about using the bootmem allocator for early init clocks? > This is what sh does for its asm/clkdev.h __clkdev_alloc(), which is really the only difference over the ARM version. It always seemed a bit silly to me to make early allocation an arch-specific property. -- 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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