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[PATCH] x86_64: x86_64-enable-large-bzImage.patch

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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: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-06-26 13:56:25 +02:00 committed by Linus Torvalds
parent 0c90bb8773
commit 3c5846470c
1 changed files with 2 additions and 4 deletions
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6
arch/x86_64/boot/tools/build.c
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@ -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;