linux-kernel - [PATCH 2/2] tools/testing/memblock: define pr_warn

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Date:   Mon, 29 Aug 2022 14:39:00 +0800
From:   Song Chen <chensong_2000@....cn>
To:     karolinadrobnik@...il.com, rppt@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Song Chen <chensong_2000@....cn>
Subject: [PATCH 2/2] tools/testing/memblock: define pr_warn_ratelimited

Commit 14d9a675fd0d("mm: Ratelimited mirrored memory related warning
messages") introduced pr_warn_ratelimited in memblock.c, which breaks
tools/test/memblock, below is the message:

/usr/bin/ld: memblock.o: in function `memblock_find_in_range.constprop.0':
memblock.c:(.text+0x4603): undefined reference to `pr_warn_ratelimited'
/usr/bin/ld: memblock.o: in function `memblock_alloc_range_nid':
memblock.c:(.text+0x786a): undefined reference to `pr_warn_ratelimited'
collect2: error: ld returned 1 exit status

A fake pr_warn_ratelimited needs to be defined in printk.h like other
prink functions.

Signed-off-by: Song Chen <chensong_2000@....cn>
---
 tools/testing/memblock/linux/printk.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/memblock/linux/printk.h b/tools/testing/memblock/linux/printk.h
index 61af424d8c6c..bdca5eedbe4c 100644
--- a/tools/testing/memblock/linux/printk.h
+++ b/tools/testing/memblock/linux/printk.h
@@ -21,5 +21,6 @@
 #define pr_cont printk
 #define pr_err printk
 #define pr_warn printk
+#define pr_warn_ratelimited printf
 
 #endif
-- 
2.25.1