On Fri, Oct 01, 2010 at 01:37:05PM -0500, Nathan Fontenot wrote:
> Define a version of memory_block_size_bytes for x86_64 when CONFIG_X86_UV is
> set.
>
> Signed-off-by: Robin Holt <h...@sgi.com>
> Signed-off-by: Jack Steiner <stei...@sgi.com>
I think this technically needs a Signed-off-by: <you> since you
are passing it upstream.
>
> ---
> arch/x86/mm/init_64.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> Index: linux-next/arch/x86/mm/init_64.c
> ===================================================================
> --- linux-next.orig/arch/x86/mm/init_64.c 2010-09-29 14:56:25.000000000
> -0500
> +++ linux-next/arch/x86/mm/init_64.c 2010-10-01 13:00:50.000000000 -0500
> @@ -51,6 +51,7 @@
> #include <asm/numa.h>
> #include <asm/cacheflush.h>
> #include <asm/init.h>
> +#include <asm/uv/uv.h>
> #include <linux/bootmem.h>
>
> static int __init parse_direct_gbpages_off(char *arg)
> @@ -902,6 +903,19 @@
> return NULL;
> }
>
> +#ifdef CONFIG_X86_UV
> +#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS)
> +
> +unsigned long memory_block_size_bytes(void)
> +{
> + if (is_uv_system()) {
> + printk(KERN_INFO "UV: memory block size 2GB\n");
> + return 2UL * 1024 * 1024 * 1024;
> + }
> + return MIN_MEMORY_BLOCK_SIZE;
> +}
> +#endif
> +
> #ifdef CONFIG_SPARSEMEM_VMEMMAP
> /*
> * Initialise the sparsemem vmemmap using huge-pages at the PMD level.
>
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