linux-kernel - [PATCH] cpumask: Remove error message and backtrace on out-of-memory condition

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Date:   Mon, 27 May 2019 14:29:58 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] cpumask: Remove error message and backtrace on out-of-memory condition

There is no need to print an error message and backtrace if
kmalloc_node() fails, as the memory allocation core already takes care
of that.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 lib/cpumask.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/lib/cpumask.c b/lib/cpumask.c
index 0cb672eb107cef6e..61d85343dd50e61d 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -114,13 +114,6 @@ bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node)
 {
 	*mask = kmalloc_node(cpumask_size(), flags, node);
 
-#ifdef CONFIG_DEBUG_PER_CPU_MAPS
-	if (!*mask) {
-		printk(KERN_ERR "=> alloc_cpumask_var: failed!\n");
-		dump_stack();
-	}
-#endif
-
 	return *mask != NULL;
 }
 EXPORT_SYMBOL(alloc_cpumask_var_node);
-- 
2.17.1