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authorTejun Heo <tj@kernel.org>2011-07-12 12:46:34 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2011-07-14 22:45:35 +0400
commite64980405cc6aa74ef178d8d9aa4018c867ceed1 (patch)
treea405d3de9c244ed2fb7899bdb66b1e1569aeae97 /include/linux/memblock.h
parent34e1845548418e5cecee0568ba721e1f089c092c (diff)
downloadlinux-e64980405cc6aa74ef178d8d9aa4018c867ceed1.tar.xz
memblock: Separate out memblock_find_in_range_node()
Node affine memblock allocation logic is currently implemented across memblock_alloc_nid() and memblock_alloc_nid_region(). This reorganizes it such that it resembles that of non-NUMA allocation API. Area finding is collected and moved into new exported function memblock_find_in_range_node() which is symmetrical to non-NUMA counterpart - it handles @start/@end and understands ANYWHERE and ACCESSIBLE. memblock_alloc_nid() now simply calls memblock_find_in_range_node() and reserves the returned area. This makes memblock_alloc[_try]_nid() observe ACCESSIBLE limit on node affine allocations too (again, this doesn't make any difference for the current sole user - sparc64). Signed-off-by: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1310460395-30913-8-git-send-email-tj@kernel.org Cc: Yinghai Lu <yinghai@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'include/linux/memblock.h')
-rw-r--r--include/linux/memblock.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 329ffb26c1c9..7400d029df48 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -61,6 +61,10 @@ extern long memblock_reserve(phys_addr_t base, phys_addr_t size);
/* The numa aware allocator is only available if
* CONFIG_ARCH_POPULATES_NODE_MAP is set
*/
+extern phys_addr_t memblock_find_in_range_node(phys_addr_t start,
+ phys_addr_t end,
+ phys_addr_t size,
+ phys_addr_t align, int nid);
extern phys_addr_t memblock_alloc_nid(phys_addr_t size, phys_addr_t align,
int nid);
extern phys_addr_t memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align,