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@xxxxxx> --- 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