x86_64 checks if we're building a big kernel to make sure that it's <= 4MB. Should we be doing something similar for i386? Or perhaps we shouldn't be
imposing this limit on x86_64?
Below is the relevant code diff that I'm asking about.
Thanks,
Daniel
--- linux-2.6.12-rc1-bk1/arch/i386/boot/tools/build.c 2005-03-02
02:38:09.000000000 -0500
+++ linux-2.6.12-rc1-bk1/arch/x86_64/boot/tools/build.c 2005-03-02
02:38:37.000000000 -0500
@@ -150,8 +150,10 @@
sz = sb.st_size;
fprintf (stderr, "System is %d kB\n", sz/1024);
sys_size = (sz + 15) / 16;
- if (!is_big_kernel && sys_size > DEF_SYSSIZE)
- die("System is too big. Try using bzImage or modules.");
+ /* 0x40000*16 = 4.0 MB, reasonable estimate for the current maximum */
+ if (sys_size > (is_big_kernel ? 0x40000 : DEF_SYSSIZE))
+ die("System is too big. Try using %smodules.",
+ is_big_kernel ? "" : "bzImage or ");
while (sz > 0) {
int l, n;
-
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