On Feb 26, 2006, at 2:38 PM, Dave Hansen wrote:
On Fri, 2006-02-24 at 10:54 -0600, Kumar Gala wrote:
+ if (strstr(cmd_line, "mem=")) {
+ char *p, *q;
+ unsigned long maxmem = 0;
+
+ for (q = cmd_line; (p = strstr(q, "mem=")) != 0; ) {
+ q = p + 4;
+ if (p > cmd_line && p[-1] != ' ')
+ continue;
+ maxmem = simple_strtoul(q, &q, 0);
+ if (*q == 'k' || *q == 'K') {
+ maxmem <<= 10;
+ ++q;
+ } else if (*q == 'm' || *q == 'M') {
+ maxmem <<= 20;
+ ++q;
+ } else if (*q == 'g' || *q == 'G') {
+ maxmem <<= 30;
+ ++q;
+ }
+ }
+ memory_limit = maxmem;
+ }
You may want to check out lib/cmdline.c's memparse() function. I
think
it does this for you.
Yeah, found it after I sent the patch. Since Linus applied this
version, I'll provide Paul a version that changes this code to use
memparse for post 2.6.16.
- kumar
-
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