Messages in this thread | | | From | Kumar Gala <> | Subject | Re: [PATCH] powerpc: Fix mem= cmdline handling on arch/powerpc for !MULTIPLATFORM | Date | Mon, 27 Feb 2006 10:12:44 -0600 |
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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.
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