From: Breno Leitao <leitao@debian.org>
To: kernel test robot <lkp@intel.com>
Cc: oe-kbuild-all@lists.linux.dev,
David Hildenbrand <david@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
mm-commits@vger.kernel.org
Subject: Re: [akpm-mm:mm-new 242/252] radix-tree.c:459:17: error: implicit declaration of function 'kmemleak_transient_leak'
Date: Fri, 3 Jul 2026 08:23:57 -0700 [thread overview]
Message-ID: <akfT1s9f-3HgxGlD@gmail.com> (raw)
In-Reply-To: <202607031019.AffpLUyg-lkp@intel.com>
On Fri, Jul 03, 2026 at 10:30:59AM +0200, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
> head: e031e55776cf9193b4720a253e92539ca536d224
> commit: 58b5601b28c144be1905eef7964bfa8457f58292 [242/252] radix-tree: fix kmemleak false positives on tree head reassignment
> config: powerpc64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260703/202607031019.AffpLUyg-lkp@intel.com/config)
> compiler: powerpc64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260703/202607031019.AffpLUyg-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202607031019.AffpLUyg-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
> radix-tree.c: In function 'radix_tree_extend':
> >> radix-tree.c:459:17: error: implicit declaration of function 'kmemleak_transient_leak' [-Wimplicit-function-declaration]
> 459 | kmemleak_transient_leak(node);
> | ^~~~~~~~~~~~~~~~~~~~~~~
Ack. This seems to be used by userspace tool that compile radix-tree in
userspace, and it doesn't understand kmemleak_transient_leak().
V2 should have a fix for this:
https://lore.kernel.org/all/20260703-radix-tree-v2-1-38bb6efb5f6e@debian.org/
prev parent reply other threads:[~2026-07-03 15:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-03 8:30 [akpm-mm:mm-new 242/252] radix-tree.c:459:17: error: implicit declaration of function 'kmemleak_transient_leak' kernel test robot
2026-07-03 15:23 ` Breno Leitao [this message]
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