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| author | Andy Whitcroft <apw@shadowen.org> | 2005-06-23 09:08:02 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-23 18:45:05 +0200 |
| commit | 74b30be2e183bd9a12d0350698996e3d1969f290 (patch) | |
| tree | 4add891144d4f0122794ce4c7befa3db8cdb3b68 | |
| parent | [PATCH] ppc64: add early_pfn_to_nid (diff) | |
| download | linux-74b30be2e183bd9a12d0350698996e3d1969f290.tar.xz linux-74b30be2e183bd9a12d0350698996e3d1969f290.zip | |
[PATCH] ppc64: add memory present
Provide hooks for PPC64 to allow memory models to be informed of installed
memory areas. This allows SPARSEMEM to instantiate mem_map for the populated
areas.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Martin Bligh <mbligh@aracnet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/ppc64/Kconfig | 4 | ||||
| -rw-r--r-- | arch/ppc64/mm/numa.c | 3 |
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig index 3c8bfd0345cc..c92d48fe06e5 100644 --- a/arch/ppc64/Kconfig +++ b/arch/ppc64/Kconfig @@ -212,8 +212,8 @@ config ARCH_FLATMEM_ENABLE source "mm/Kconfig" config HAVE_ARCH_EARLY_PFN_TO_NID - bool - default y + def_bool y + depends on NEED_MULTIPLE_NODES # Some NUMA nodes have memory ranges that span # other nodes. Even though a pfn is valid and diff --git a/arch/ppc64/mm/numa.c b/arch/ppc64/mm/numa.c index ea862ec643d3..cafd91aef289 100644 --- a/arch/ppc64/mm/numa.c +++ b/arch/ppc64/mm/numa.c @@ -440,6 +440,8 @@ new_range: for (i = start ; i < (start+size); i += MEMORY_INCREMENT) numa_memory_lookup_table[i >> MEMORY_INCREMENT_SHIFT] = numa_domain; + memory_present(numa_domain, start >> PAGE_SHIFT, + (start + size) >> PAGE_SHIFT); if (--ranges) goto new_range; @@ -481,6 +483,7 @@ static void __init setup_nonnuma(void) for (i = 0 ; i < top_of_ram; i += MEMORY_INCREMENT) numa_memory_lookup_table[i >> MEMORY_INCREMENT_SHIFT] = 0; + memory_present(0, 0, init_node_data[0].node_end_pfn); } static void __init dump_numa_topology(void) |