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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 11:38:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 11:38:31 -0700
commit019abbc87025a030fd25008612afd4eff8a375f7 (patch)
tree6d745dedcf90ceff8f5b7b996a17f666b7c574e3 /arch/x86/kernel/vmlinux_32.lds.S
parent2d25ee36c84d5b2d6be8bfaf80256ecad69a06ca (diff)
parent5a3c8fe7353f78b73b9636353c6f7b881f19ebea (diff)
Merge branch 'x86-stage-3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-stage-3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (190 commits) Revert "cpuacct: reduce one NULL check in fast-path" Revert "x86: don't compile vsmp_64 for 32bit" x86: Correct behaviour of irq affinity x86: early_ioremap_init(), use __fix_to_virt(), because we are sure it's safe x86: use default_cpu_mask_to_apicid for 64bit x86: fix set_extra_move_desc calling x86, PAT, PCI: Change vma prot in pci_mmap to reflect inherited prot x86/dmi: fix dmi_alloc() section mismatches x86: e820 fix various signedness issues in setup.c and e820.c x86: apic/io_apic.c define msi_ir_chip and ir_ioapic_chip all the time x86: irq.c keep CONFIG_X86_LOCAL_APIC interrupts together x86: irq.c use same path for show_interrupts x86: cpu/cpu.h cleanup x86: Fix a couple of sparse warnings in arch/x86/kernel/apic/io_apic.c Revert "x86: create a non-zero sized bm_pte only when needed" x86: pci-nommu.c cleanup x86: io_delay.c cleanup x86: rtc.c cleanup x86: i8253 cleanup x86: kdebugfs.c cleanup ...
Diffstat (limited to 'arch/x86/kernel/vmlinux_32.lds.S')
-rw-r--r--arch/x86/kernel/vmlinux_32.lds.S21
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S
index 0d860963f26..62ad500d55f 100644
--- a/arch/x86/kernel/vmlinux_32.lds.S
+++ b/arch/x86/kernel/vmlinux_32.lds.S
@@ -189,15 +189,24 @@ SECTIONS
*(.bss)
. = ALIGN(4);
__bss_stop = .;
- _end = . ;
- /* This is where the kernel creates the early boot page tables */
+ }
+
+ .brk : AT(ADDR(.brk) - LOAD_OFFSET) {
. = ALIGN(PAGE_SIZE);
- pg0 = . ;
+ __brk_base = . ;
+ . += 64 * 1024 ; /* 64k alignment slop space */
+ *(.brk_reservation) /* areas brk users have reserved */
+ __brk_limit = . ;
+ }
+
+ .end : AT(ADDR(.end) - LOAD_OFFSET) {
+ _end = . ;
}
/* Sections to be discarded */
/DISCARD/ : {
*(.exitcall.exit)
+ *(.discard)
}
STABS_DEBUG
@@ -205,6 +214,12 @@ SECTIONS
DWARF_DEBUG
}
+/*
+ * Build-time check on the image size:
+ */
+ASSERT((_end - LOAD_OFFSET <= KERNEL_IMAGE_SIZE),
+ "kernel image bigger than KERNEL_IMAGE_SIZE")
+
#ifdef CONFIG_KEXEC
/* Link time checks */
#include <asm/kexec.h>