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8ab546bb30
The workspaces for compression are typically much larger than a page and for high zstd levels in the range of megabytes. There's a fallback to vmalloc but this can still fail (see the report). Some of the workspaces are preallocated at module load time so we have a safe fallback, otherwise when a new workspace is needed it's allocated but if this fails then the process waits. Which means the warning is only causing noise and we can use the GFP flag to disable it. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=217466 Signed-off-by: David Sterba <dsterba@suse.com>
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.