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x86: rename KERNEL_TEXT_SIZE => KERNEL_IMAGE_SIZE 

The KERNEL_TEXT_SIZE constant was mis-named, as we not only map the kernel
text but data, bss and init sections as well.

That name led me on the wrong path with the KERNEL_TEXT_SIZE regression,
because i knew how big of _text_ my images have and i knew about the 40 MB
"text" limit so i wrongly thought to be on the safe side of the 40 MB limit
with my 29 MB of text, while the total image size was slightly above 40 MB.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-02-21 13:39:30 +01:00
parent 88f3aec7af
commit d4afe41418
2 changed files with 3 additions and 3 deletions
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2
arch/x86/kernel/head_64.S
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@ -393,7 +393,7 @@ NEXT_PAGE(level2_kernel_pgt)
* too.)
*/
PMDS(0, __PAGE_KERNEL_LARGE_EXEC|_PAGE_GLOBAL,
KERNEL_TEXT_SIZE/PMD_SIZE)
KERNEL_IMAGE_SIZE/PMD_SIZE)
NEXT_PAGE(level2_spare_pgt)
.fill 512, 8, 0

4
include/asm-x86/page_64.h
View File

@ -51,8 +51,8 @@
* Kernel image size is limited to 128 MB (see level2_kernel_pgt in
* arch/x86/kernel/head_64.S), and it is mapped here:
*/
#define KERNEL_TEXT_SIZE (128*1024*1024)
#define KERNEL_TEXT_START _AC(0xffffffff80000000, UL)
#define KERNEL_IMAGE_SIZE (128*1024*1024)
#define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL)
#ifndef __ASSEMBLY__
void clear_page(void *page);