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' Fixs: commit 902c2d91582 ("memblock: Disable mirror feature if kernelcore is not specified") and commit 14d9a675fd0 ("mm: Ratelimited mirrored memory related warning") Signed-off-by: Liu Xinpeng <liuxp11@xxxxxxxxxxxxxxx> Tested-by: Ma Wupeng <mawupeng1@xxxxxxxxxx> --- 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 c2a492c..fdb7f5d 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