>On 2022/7/26 11:05, Liu Xinpeng wrote: >> 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: 902c2d91582 ("memblock: Disable mirror feature if kernelcore is not >> specified") >Fixs should not have word warp. >Tested-by: Ma Wupeng <mawupeng1@xxxxxxxxxx> I will send patch v2, such as, Fixs: 902c2d91582 ("memblock: Disable mirror feature if kernelcore is not specified") and 14d9a675fd0 ("mm: Ratelimited mirrored memory related warning") > +#define pr_warn_ratelimited(fmt, ...) printf(fmt, ##__VA_ARGS__); And removed the comma. thanks your test, Liu Xinpeng