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authorGrygorii Strashko <grygorii.strashko@ti.com>2014-01-21 15:50:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-21 16:19:46 -0800
commitb115423357e0cda6d8f45d0c81df537d7b004020 (patch)
treef3acecb4396cd1967ae57d71269a84862d9a10ad /include
parent87029ee9390b2297dae699d5fb135b77992116e5 (diff)
mm/memblock: switch to use NUMA_NO_NODE instead of MAX_NUMNODES
It's recommended to use NUMA_NO_NODE everywhere to select "process any node" behavior or to indicate that "no node id specified". Hence, update __next_free_mem_range*() API's to accept both NUMA_NO_NODE and MAX_NUMNODES, but emit warning once on MAX_NUMNODES, and correct corresponding API's documentation to describe new behavior. Also, update other memblock/nobootmem APIs where MAX_NUMNODES is used dirrectly. The change was suggested by Tejun Heo. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Paul Walmsley <paul@pwsan.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Russell King <linux@arm.linux.org.uk> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/memblock.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 11c31590cc49..cd0274bebd4c 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -118,7 +118,7 @@ void __next_free_mem_range(u64 *idx, int nid, phys_addr_t *out_start,
/**
* for_each_free_mem_range - iterate through free memblock areas
* @i: u64 used as loop variable
- * @nid: node selector, %MAX_NUMNODES for all nodes
+ * @nid: node selector, %NUMA_NO_NODE for all nodes
* @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
* @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
* @p_nid: ptr to int for nid of the range, can be %NULL
@@ -138,7 +138,7 @@ void __next_free_mem_range_rev(u64 *idx, int nid, phys_addr_t *out_start,
/**
* for_each_free_mem_range_reverse - rev-iterate through free memblock areas
* @i: u64 used as loop variable
- * @nid: node selector, %MAX_NUMNODES for all nodes
+ * @nid: node selector, %NUMA_NO_NODE for all nodes
* @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
* @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
* @p_nid: ptr to int for nid of the range, can be %NULL