When calculating the region to reserve for the stack in arch_lmb_reserve, make use of ram_top instead of adding bi_memsize to CONFIG_SYS_SDRAM_BASE. This avoids overflow if the system has enough memory to reach the end of the address space.
Signed-off-by: Paul Burton paul.burton@imgtec.com Cc: Daniel Schwierzeck daniel.schwierzeck@gmail.com ---
arch/mips/lib/bootm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c index 0c6a4ab..9fec4ad 100644 --- a/arch/mips/lib/bootm.c +++ b/arch/mips/lib/bootm.c @@ -42,7 +42,7 @@ void arch_lmb_reserve(struct lmb *lmb)
/* adjust sp by 4K to be safe */ sp -= 4096; - lmb_reserve(lmb, sp, CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp); + lmb_reserve(lmb, sp, gd->ram_top - sp); }
static void linux_cmdline_init(void)