From: Tejun Heo <tj@kernel.org>
Date: Fri, 10 Sep 2010 09:01:56 +0000 (+0200)
Subject: percpu: update comments to reflect that percpu allocations are always zero-filled
X-Git-Tag: firefly_0821_release~7613^2~3686^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9329ba9704f6bd51a735982e0d4a3eed72c3294f;p=firefly-linux-kernel-4.4.55.git

percpu: update comments to reflect that percpu allocations are always zero-filled

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Stephane Eranian <eranian@google.com>
---

diff --git a/mm/percpu.c b/mm/percpu.c
index 0cd4bf61012c..12dea33572bd 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -826,8 +826,8 @@ fail_unlock_mutex:
  * @size: size of area to allocate in bytes
  * @align: alignment of area (max PAGE_SIZE)
  *
- * Allocate percpu area of @size bytes aligned at @align.  Might
- * sleep.  Might trigger writeouts.
+ * Allocate zero-filled percpu area of @size bytes aligned at @align.
+ * Might sleep.  Might trigger writeouts.
  *
  * CONTEXT:
  * Does GFP_KERNEL allocation.
@@ -846,9 +846,10 @@ EXPORT_SYMBOL_GPL(__alloc_percpu);
  * @size: size of area to allocate in bytes
  * @align: alignment of area (max PAGE_SIZE)
  *
- * Allocate percpu area of @size bytes aligned at @align from reserved
- * percpu area if arch has set it up; otherwise, allocation is served
- * from the same dynamic area.  Might sleep.  Might trigger writeouts.
+ * Allocate zero-filled percpu area of @size bytes aligned at @align
+ * from reserved percpu area if arch has set it up; otherwise,
+ * allocation is served from the same dynamic area.  Might sleep.
+ * Might trigger writeouts.
  *
  * CONTEXT:
  * Does GFP_KERNEL allocation.