[PATCH] oprofile: Use vmalloc_node() in alloc_cpu_buffers()

Make oprofile alloc_cpu_buffers() function NUMA aware, allocating each CPU
local buffer in its memory node if possible.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Cc: Philippe Elie <phil.el@wanadoo.fr>
Cc: John Levon <levon@movementarian.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 026f671..78193e4 100644 (file)
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -52,7 +52,8 @@ int alloc_cpu_buffers(void)
        for_each_online_cpu(i) {
                struct oprofile_cpu_buffer * b = &cpu_buffer[i];
  
-               b->buffer = vmalloc(sizeof(struct op_sample) * buffer_size);
+               b->buffer = vmalloc_node(sizeof(struct op_sample) * buffer_size,
+                       cpu_to_node(i));
                if (!b->buffer)
                        goto fail;