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Thorsten Blum 3e4b89e970 nilfs2: replace vmalloc + copy_from_user with vmemdup_user
Replace vmalloc() followed by copy_from_user() with vmemdup_user() to
improve nilfs_ioctl_clean_segments() and nilfs_ioctl_set_suinfo().  Use
kvfree() to free the buffers created by vmemdup_user().

Use u64_to_user_ptr() instead of manually casting the pointers and
remove the obsolete 'out_free' label.

No functional changes intended.

Link: https://lkml.kernel.org/r/20251030154700.7444-1-konishi.ryusuke@gmail.com
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
History 2025-11-12 10:00:17 -08:00
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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 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.