From: Eric Dumazet <dada1@cosmosbay.com>
Date: Sun, 8 Jan 2006 09:03:21 +0000 (-0800)
Subject: [PATCH] oprofile: Use vmalloc_node() in alloc_cpu_buffers()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=25ab7cd84eebdc1869d236029ada3a7b403de8ba;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[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 026f671ea55..78193e4bbdb 100644
--- 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;