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Commit 3c584647 authored by Ingo Molnar's avatar Ingo Molnar Committed by Linus Torvalds
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[PATCH] x86_64: x86_64-enable-large-bzImage.patch 



enable large bzImages on x86_64. (fix is from x86's build.c) Using this
patch i have successfully built and booted an allyesconfig 13MB+ bzImage
on x86_64 too:

 $ size64 vmlinux
    text    data     bss     dec     hex filename
 23444831        8202642 3439360 35086833        21761f1 vmlinux

 -rw-rw-r--  1 mingo mingo 13121740 Apr 19 09:32 arch/x86_64/boot/bzImage

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 0c90bb87

arch/x86_64/boot/tools/build.c

+2 −4
Original line number Diff line number Diff line
@@ -149,10 +149,8 @@ int main(int argc, char ** argv) 
	sz = sb.st_size;

	fprintf (stderr, "System is %d kB\n", sz/1024);

	sys_size = (sz + 15) / 16;

	/* 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 ");

	if (!is_big_kernel && sys_size > DEF_SYSSIZE)

		die("System is too big. Try using bzImage or modules.");

	while (sz > 0) {

		int l, n;