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[PATCH] add slab_is_available() routine for boot code

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slab_is_available() indicates slab based allocators are available for use.
SPARSEMEM code needs to know this as it can be called at various times
during the boot process.

Signed-off-by: Mike Kravetz <kravetz@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Mike Kravetz 2006-05-15 09:44:13 -07:00 • committed by Linus Torvalds
parent 48564e628b
commit 39d24e6426
3 changed files with 10 additions and 1 deletions
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2
mm/sparse.c
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@ -32,7 +32,7 @@ static struct mem_section *sparse_index_alloc(int nid)
unsigned long array_size = SECTIONS_PER_ROOT *
sizeof(struct mem_section);
if (system_state == SYSTEM_RUNNING)
if (slab_is_available())
section = kmalloc_node(array_size, GFP_KERNEL, nid);
else
section = alloc_bootmem_node(NODE_DATA(nid), array_size);