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<title>kernel/linux.git/include/linux/cleanup.h, branch v5.10.257</title>
<subtitle>Linux kernel stable tree (mirror)</subtitle>
<id>https://git.radix-linux.su/kernel/linux.git/atom?h=v5.10.257</id>
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<updated>2025-10-29T13:01:15+00:00</updated>
<entry>
<title>locking: Introduce __cleanup() based infrastructure</title>
<updated>2025-10-29T13:01:15+00:00</updated>
<author>
<name>Peter Zijlstra</name>
<email>peterz@infradead.org</email>
</author>
<published>2025-10-15T18:44:26+00:00</published>
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<id>urn:sha1:af53aaf20722d745a69a051114a1ae237f5b922e</id>
<content type='text'>
[ Upstream commit 54da6a0924311c7cf5015533991e44fb8eb12773 ]

Use __attribute__((__cleanup__(func))) to build:

 - simple auto-release pointers using __free()

 - 'classes' with constructor and destructor semantics for
   scope-based resource management.

 - lock guards based on the above classes.

Signed-off-by: Peter Zijlstra (Intel) &lt;peterz@infradead.org&gt;
Link: https://lkml.kernel.org/r/20230612093537.614161713%40infradead.org
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
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</entry>
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