Commit 269aa43a authored Nov 23, 2016 by Marcin Nowakowski Committed by Ralf Baechle Jan 03, 2017

MIPS: Do not request resources for crashkernel if one isn't defined



When KEXEC is enabled but crashkernel details are not passed through the
kernel commandline unnecessary resources are requested (start==end==0)

Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14607/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent 39a3cb27

arch/mips/kernel/setup.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -672,6 +672,9 @@ static void __init request_crashkernel(struct resource *res)
		{
		int ret;

		if (crashk_res.start == crashk_res.end)
		return;

		ret = request_resource(res, &crashk_res);
		if (!ret)
		pr_info("Reserving %ldMB of memory at %ldMB for crashkernel\n",