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| author | Scott Wood <scottwood@freescale.com> | 2011-01-27 10:30:44 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-03-02 16:56:15 +1100 |
| commit | 6dd227002972be910c6191f38f8641e01796557f (patch) | |
| tree | 2dbfe9ef7a95c0f95ea4938a9fa60d9e65c23165 | |
| parent | c7704d352d45de47333f2d9f10aead820b49044c (diff) | |
| download | linux-stable-6dd227002972be910c6191f38f8641e01796557f.tar.gz linux-stable-6dd227002972be910c6191f38f8641e01796557f.tar.bz2 linux-stable-6dd227002972be910c6191f38f8641e01796557f.zip | |
powerpc: Fix memory limits when starting at a non-zero address
memblock_enforce_memory_limit() takes the desired maximum quantity of memory
to end up with, not an address above which memory will not be used.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/init_32.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 7185f0da7dc3..05b7139d6a27 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -97,7 +97,7 @@ static void __init move_device_tree(void) start = __pa(initial_boot_params); size = be32_to_cpu(initial_boot_params->totalsize); - if ((memory_limit && (start + size) > memory_limit) || + if ((memory_limit && (start + size) > PHYSICAL_START + memory_limit) || overlaps_crashkernel(start, size)) { p = __va(memblock_alloc(size, PAGE_SIZE)); memcpy(p, initial_boot_params, size); diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index 742da43b4ab6..d65b591e5556 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -148,7 +148,7 @@ void __init MMU_init(void) lowmem_end_addr = memstart_addr + total_lowmem; #ifndef CONFIG_HIGHMEM total_memory = total_lowmem; - memblock_enforce_memory_limit(lowmem_end_addr); + memblock_enforce_memory_limit(total_lowmem); memblock_analyze(); #endif /* CONFIG_HIGHMEM */ } |