On Sun, Aug 12, 2012 at 11:57:08AM +0100, Russell King - ARM Linux wrote: > Found this with the cubox, which wants to obtain large blocks of > RAM for the GPU and VPU devices at boot time. I don't believe > any other platforms care where the memory comes from, so I think > this is safe. > > However, OMAP and iMX folk should check this patch - thanks. > > 8<=== > From: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx> > Subject: ARM: Allow arm_memblock_steal() to remove memory from any RAM region > > Allow arm_memblock_steal() to remove memory from any RAM region, > including highmem areas. This allows memory to be stolen from the > very top of declared memory, including highmem areas, rather than > our precious lowmem. > > Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx> There shouldn't be any problems with this on i.MX. Acked-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > --- > arch/arm/mm/init.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c > index f54d592..04632f3 100644 > --- a/arch/arm/mm/init.c > +++ b/arch/arm/mm/init.c > @@ -324,7 +324,7 @@ phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align) > > BUG_ON(!arm_memblock_steal_permitted); > > - phys = memblock_alloc(size, align); > + phys = memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ANYWHERE); > memblock_free(phys, size); > memblock_remove(phys, size); > > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
