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authorLee Schermerhorn <lee.schermerhorn@hp.com>2010-05-26 17:45:04 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-27 12:12:57 -0400
commit3dd6b5fb436083fdd8af7ad2baa07db19deb73b2 (patch)
tree9c97bccad863663e36224e96b00f00b5a7dbaea6 /kernel/profile.c
parent7d6e6d09de82cf6cff7fecdba55198b9f47b381c (diff)
numa: in-kernel profiling: use cpu_to_mem() for per cpu allocations
In kernel profiling requires that we be able to allocate "local" memory for each cpu. Use "cpu_to_mem()" instead of "cpu_to_node()" to support memoryless nodes. Depends on the "numa_mem_id()" patch. Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: Tejun Heo <tj@kernel.org> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Nick Piggin <npiggin@suse.de> Cc: David Rientjes <rientjes@google.com> Cc: Eric Whitney <eric.whitney@hp.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/profile.c')
-rw-r--r--kernel/profile.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/profile.c b/kernel/profile.c
index 1e6a0d94ea63..b22a899934cc 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -365,7 +365,7 @@ static int __cpuinit profile_cpu_callback(struct notifier_block *info,
365 switch (action) { 365 switch (action) {
366 case CPU_UP_PREPARE: 366 case CPU_UP_PREPARE:
367 case CPU_UP_PREPARE_FROZEN: 367 case CPU_UP_PREPARE_FROZEN:
368 node = cpu_to_node(cpu); 368 node = cpu_to_mem(cpu);
369 per_cpu(cpu_profile_flip, cpu) = 0; 369 per_cpu(cpu_profile_flip, cpu) = 0;
370 if (!per_cpu(cpu_profile_hits, cpu)[1]) { 370 if (!per_cpu(cpu_profile_hits, cpu)[1]) {
371 page = alloc_pages_exact_node(node, 371 page = alloc_pages_exact_node(node,
@@ -567,7 +567,7 @@ static int create_hash_tables(void)
567 int cpu; 567 int cpu;
568 568
569 for_each_online_cpu(cpu) { 569 for_each_online_cpu(cpu) {
570 int node = cpu_to_node(cpu); 570 int node = cpu_to_mem(cpu);
571 struct page *page; 571 struct page *page;
572 572
573 page = alloc_pages_exact_node(node, 573 page = alloc_pages_exact_node(node,