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MIPS: Use ram_top, not bi_memsize, in arch_lmb_reserve

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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>
This commit is contained in:
Paul Burton 2016-09-26 19:28:56 +01:00 • committed by Daniel Schwierzeck
parent e7e0469c88
commit 7a3e0f74a7
1 changed files with 1 additions and 1 deletions
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arch/mips/lib/bootm.c
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@ -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)