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The whole point of code in fs/proc/inode.c is to make sure ->release hook is called either at close() or at rmmod time. All if it is unnecessary if there is no ->release hook. Save allocation+list manipulations under spinlock in that case. Link: http://lkml.kernel.org/r/20180214063033.GA15579@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Panchajanya1999 <rsk52959@gmail.com> Signed-off-by: Panchajanya1999 <panchajanya@azure-dev.live> (cherry picked from commit 7055d8fbe00803a0542947ac9ca41ea554cb5d02) Signed-off-by: Adithya R <gh0strider.2k18.reborn@gmail.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.