Messages in this thread Patch in this message | | | Date | Mon, 15 Sep 2008 12:07:19 +0200 | From | Marco Stornelli <> | Subject | [PATCH 1/1] avr32: added mem kernel command line option support |
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From: Marco Stornelli <marco.stornelli@gmail.com>
Added support for the mem kernel command line option Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> --- --- setup.c.orig 2008-09-15 11:30:00.000000000 +0200 +++ setup.c 2008-09-15 11:30:17.000000000 +0200 @@ -283,6 +283,25 @@ static int __init early_parse_fbmem(char } early_param("fbmem", early_parse_fbmem); +/* + * Pick out the memory size. We look for mem=size@start, + * where start and size are "size[KkMm]" + */ +static int __init early_mem(char **p) +{ + unsigned long size, start; + + start = system_ram->start; + size = memparse(*p, p); + if (**p == '@') + start = memparse(*p + 1, p); + + system_ram->start = start; + system_ram->end = system_ram->start + size - 1; + return 0; +} +early_param("mem", early_mem); + static int __init parse_tag_core(struct tag *tag) { if (tag->hdr.size > 2) {
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