Re: powerpc: Make early memory scan more resilient to out of order nodes
From: Milton Miller <hidden>
Date: 2011-05-12 08:09:49
On Wed, 11 May 2011 about 20:58:18 -0000, Benjamin Herrenschmidt wrote:
We keep track of the size of the lowest block of memory and call setup_initial_memory_limit() only after we've parsed them all
Good, we lose our sensitivity to device node ordering.
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diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
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index 584b398..27475c6 100644--- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c@@ -70,6 +70,7 @@ int __initdata iommu_force_on; unsigned long tce_alloc_start, tce_alloc_end; u64 ppc64_rma_size; #endif +static phys_addr_t first_memblock_size;
__initdata (its only referenced by 2 __init functions) Acked-by: Milton Miller <redacted>
static int __init early_parse_mem(char *p)
{..
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@@ -507,11 +508,14 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
..
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@@ -708,6 +712,7 @@ void __init early_init_devtree(void *params)