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49ff29240e
Patch series "squashfs: reduce memory usage and update docs". This patchset reduces the amount of memory that Squashfs uses when CONFIG_FILE_DIRECT is configured, and updates various out of date information in the documentation and Kconfig. This patch (of 4): Make squashfs_cache_init() return an ERR_PTR(-ENOMEM) on failure rather than NULL. This tidies up some calling code, but, it also allows NULL to be returned as a valid result when a cache hasn't be allocated. Link: https://lkml.kernel.org/r/20241229233752.54481-1-phillip@squashfs.org.uk Link: https://lkml.kernel.org/r/20241229233752.54481-2-phillip@squashfs.org.uk Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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 reStructuredText 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.