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-rw-r--r--arch/powerpc/lib/bootm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/lib/bootm.c b/arch/powerpc/lib/bootm.c
index 0685a93..6702df5 100644
--- a/arch/powerpc/lib/bootm.c
+++ b/arch/powerpc/lib/bootm.c
@@ -163,8 +163,8 @@ void arch_lmb_reserve(struct lmb *lmb)
sp = get_sp();
debug ("## Current stack ends at 0x%08lx\n", sp);
- /* adjust sp by 1K to be safe */
- sp -= 1024;
+ /* adjust sp by 4K to be safe */
+ sp -= 4096;
lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - sp));
return ;