Do 'make -C tools/testing/memblock', get the following errors: memblock.o: In function `memblock_find_in_range.constprop.9': memblock.c:(.text+0x4651): undefined reference to `pr_warn_ratelimited' memblock.o: In function `memblock_mark_mirror': memblock.c:(.text+0x7171): undefined reference to `mirrored_kernelcore' Fixes: 902c2d91582c ("memblock: Disable mirror feature if kernelcore is not specified") Fixes: 14d9a675fd0d ("mm: Ratelimited mirrored memory related warning messages") Signed-off-by: Liu Xinpeng <liuxp11@xxxxxxxxxxxxxxx> Tested-by: Ma Wupeng <mawupeng1@xxxxxxxxxx> --- Changelog: V3 -> V4: Changed the title and add how to reproduce this issue. V2 -> V3: Fixs should not have word wrap. V1 -> V2: Removed comma in macro define and addressed review comments. --- tools/testing/memblock/internal.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/memblock/internal.h b/tools/testing/memblock/internal.h index c2a492c05e0c..fdb7f5db7308 100644 --- a/tools/testing/memblock/internal.h +++ b/tools/testing/memblock/internal.h @@ -9,6 +9,10 @@ static int memblock_debug = 1; #endif +#define pr_warn_ratelimited(fmt, ...) printf(fmt, ##__VA_ARGS__) + +bool mirrored_kernelcore = false; + struct page {}; void memblock_free_pages(struct page *page, unsigned long pfn, -- 1.8.3.1