path: root/Documentation/magic-number.txt
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authorAndrew Morton <>2005-11-07 00:58:00 -0800
committerLinus Torvalds <>2005-11-07 07:53:24 -0800
commit4f12bb4f7715f418a9c80f89447948790f476958 (patch)
treef08c7e26b19687d26b29082e50101daf2e5a4b75 /Documentation/magic-number.txt
parent7fd93cf30c531fd8b014e827e7a85fcfc010b2c6 (diff)
[PATCH] slab: don't BUG on duplicated cache
slab presently goes BUG if someone tries to register an already-registered cache. But this can happen if the user accidentally loads a module which is already statically linked into the kernel. Nuking the kernel is rather a harsh reaction. Change it into a warning, and just fail the kmem_cache_alloc() attempt. If the module is well-behaved, the modprobe will fail and all is well. Notes: - Swaps the ranking of cache_chain_sem and lock_cpu_hotplug(). Doesn't seem important. Acked-by: Manfred Spraul <> Signed-off-by: Andrew Morton <> Signed-off-by: Linus Torvalds <>
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