linux-kernel - [PATCH 1/3] kvfree(): Fix misleading comment.

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Message-Id: <20180914130512.10394-1-aryabinin@virtuozzo.com>
Date:   Fri, 14 Sep 2018 16:05:10 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Matthew Wilcox <willy@...radead.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrey Ryabinin <aryabinin@...tuozzo.com>
Subject: [PATCH 1/3] kvfree(): Fix misleading comment.

vfree() might sleep if called not in interrupt context.
So does kvfree() too. Fix misleading kvfree()'s comment about
allowed context.

Fixes: 04b8e946075d ("mm/util.c: improve kvfree() kerneldoc")
Signed-off-by: Andrey Ryabinin <aryabinin@...tuozzo.com>
---
 mm/util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/util.c b/mm/util.c
index eeac38a64290..7f1f165f46af 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -442,7 +442,7 @@ EXPORT_SYMBOL(kvmalloc_node);
  * It is slightly more efficient to use kfree() or vfree() if you are certain
  * that you know which one to use.
  *
- * Context: Any context except NMI.
+ * Context: Either preemptible task context or not-NMI interrupt.
  */
 void kvfree(const void *addr)
 {
-- 
2.16.4