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

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

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Stuart Menefy 2007-11-26 21:16:09 +09:00 committed by Paul Mundt
parent 74d99a5e26
commit 80a68a43d9
1 changed files with 11 additions and 0 deletions
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11
arch/sh/kernel/setup.c
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@ -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;