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From:   Bruno Goncalves <bgoncalv@redhat.com>
Date:   Thu, 14 Apr 2022 09:49:58 +0200
Message-ID: <CA+QYu4oi-Lmfj1uh0f-JE0WRmmyjtU94xP8OpbLxAGjPkm69Ew@mail.gmail.com>
Subject: testing/radix-tree: undefined reference to `kmem_cache_alloc_lru'
To:     LKML <linux-kernel@vger.kernel.org>
Cc:     CKI Project <cki-project@redhat.com>
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Hello,

Trying to build testing/radix-tree on mainline kernel fails with:

make -C tools/testing/radix-tree/
<snip>
cc -fsanitize=address -fsanitize=undefined  main.o xarray.o
radix-tree.o idr.o linux.o test.o find_bit.o bitmap.o slab.o
regression1.o regression2.o regression3.o regression4.o tag_check.o
multiorder.o idr-test.o iteration_check.o iteration_check_2.o
benchmark.o  -lpthread -lurcu -o main
/usr/bin/ld: xarray.o: in function `xas_split_alloc':
/root/linux/tools/testing/radix-tree/../../../lib/xarray.c:1019:
undefined reference to `kmem_cache_alloc_lru'
/usr/bin/ld: xarray.o: in function `xas_nomem':
/root/linux/tools/testing/radix-tree/../../../lib/xarray.c:305:
undefined reference to `kmem_cache_alloc_lru'
/usr/bin/ld: xarray.o: in function `xas_alloc':
/root/linux/tools/testing/radix-tree/../../../lib/xarray.c:374:
undefined reference to `kmem_cache_alloc_lru'
/usr/bin/ld: xarray.o: in function `__xas_nomem':
/root/linux/tools/testing/radix-tree/../../../lib/xarray.c:337:
undefined reference to `kmem_cache_alloc_lru'
/usr/bin/ld: /root/linux/tools/testing/radix-tree/../../../lib/xarray.c:340:
undefined reference to `kmem_cache_alloc_lru'
collect2: error: ld returned 1 exit status
make: *** [<builtin>: main] Error 1

Thanks,
Bruno Goncalves