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Diffstat (limited to 'arch/ppc64/boot/main.c')
-rw-r--r--arch/ppc64/boot/main.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/ppc64/boot/main.c b/arch/ppc64/boot/main.c
index c1dc876bcca..e0dde24a72c 100644
--- a/arch/ppc64/boot/main.c
+++ b/arch/ppc64/boot/main.c
@@ -203,8 +203,15 @@ void start(unsigned long a1, unsigned long a2, void *promptr, void *sp)
if (elf64ph->p_type == PT_LOAD && elf64ph->p_offset != 0)
break;
}
- vmlinux.size = (unsigned long)elf64ph->p_filesz;
- vmlinux.memsize = (unsigned long)elf64ph->p_memsz;
+ vmlinux.size = (unsigned long)elf64ph->p_filesz +
+ (unsigned long)elf64ph->p_offset;
+ /* We need to claim the memsize plus the file offset since gzip
+ * will expand the header (file offset), then the kernel, then
+ * possible rubbish we don't care about. But the kernel bss must
+ * be claimed (it will be zero'd by the kernel itself)
+ */
+ vmlinux.memsize = (unsigned long)elf64ph->p_memsz +
+ (unsigned long)elf64ph->p_offset;
printf("Allocating 0x%lx bytes for kernel ...\n\r", vmlinux.memsize);
vmlinux.addr = try_claim(vmlinux.memsize);
if (vmlinux.addr == 0) {