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Commit 80a68a43 authored by Stuart Menefy's avatar Stuart Menefy Committed by Paul Mundt
Browse files

sh: Add a printk() to warn legacy mem= growers. 



mem= can't be used to grow the size of kernel memory, so provide a
warning to that effect.

Signed-off-by: default avatarStuart Menefy <stuart.menefy@st.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 74d99a5e

arch/sh/kernel/setup.c

+11 −0
Original line number Diff line number Diff line
@@ -84,6 +84,17 @@ static int __init early_parse_mem(char *p) 


	memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START;

	size = memparse(p, &p);



	if (size > __MEMORY_SIZE) {

		static char msg[] __initdata = KERN_ERR

			"Using mem= to increase the size of kernel memory "

			"is not allowed.\n"

			"  Recompile the kernel with the correct value for "

			"CONFIG_MEMORY_SIZE.\n";

		printk(msg);

		return 0;

	}



	memory_end = memory_start + size;



	return 0;