Messages in this thread Patch in this message | | | Date | Tue, 8 Sep 2015 12:31:13 +0100 | From | Mark Rutland <> | Subject | Re: [PATCH V4 2/3] arm64: support initrd outside kernel linear map |
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Hi Mark,
On Mon, Aug 17, 2015 at 06:01:06PM +0100, Mark Salter wrote: > The use of mem= could leave part or all of the initrd outside of > the kernel linear map. This will lead to an error when unpacking > the initrd and a probable failure to boot. This patch catches that > situation and relocates the initrd to be fully within the linear > map.
With next-20150908, this patch results in a confusing message at boot when not using an initrd:
Moving initrd from [4080000000-407fffffff] to [9fff49000-9fff48fff]
I think that can be solved by folding in the diff below.
Thanks, Mark.
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 6bab21f..2322479 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -364,6 +364,8 @@ static void __init relocate_initrd(void) to_free = ram_end - orig_start; size = orig_end - orig_start; + if (!size) + return; /* initrd needs to be relocated completely inside linear mapping */ new_start = memblock_find_in_range(0, PFN_PHYS(max_pfn),
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