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Vlastimil Babka d5bf485746 mm/slab_common: use SLAB_NO_MERGE instead of negative refcount
When CONFIG_MEMCG_KMEM is enabled, we disable cache merging for
KMALLOC_NORMAL caches so they don't end up merged with a cache that uses
ad-hoc __GFP_ACCOUNT when allocating. This was implemented by setting
the refcount to -1, but now we have a proper SLAB_NO_MERGE flag, so use
that instead.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
History 2023-06-16 11:04:29 +02:00
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README

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.