On Mon, Aug 29, 2022 at 02:39:00PM +0800, Song Chen wrote: > 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. This is fixed by commit 0a7e91528202 ("memblock tests: fix compilation errors") > Signed-off-by: Song Chen <chensong_2000@xxxxxx> > --- -- Sincerely yours, Mike.