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41bec7c33f
All alloc and free operations on debug caches are now serialized by n->list_lock, so we can remove slab_lock() usage in validate_slab() and list_slab_objects() as those also happen under n->list_lock. Note the usage in list_slab_objects() could happen even on non-debug caches, but only during cache shutdown time, so there should not be any parallel freeing activity anymore. Except for buggy slab users, but in that case the slab_lock() would not help against the common cmpxchg based fast paths (in non-debug caches) anyway. Also adjust documentation comments accordingly. Suggested-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Acked-by: David Rientjes <rientjes@google.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.