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f44a2920c8
pagefault_disabled_dec is frequently used inline, and it has a WARN_ON
for underflow that expands to about 6.5k of extra code. The warning
doesn't seem to be that useful and worth so much code so remove it.
If it was needed could make it depending on some debug kernel option.
Saves ~6.5k in my kernel
text data bss dec hex filename
9039417 5367568 11116544 25523529 1857549 vmlinux-before-pf
9032805 5367568 11116544 25516917 1855b75 vmlinux-pf
Link: http://lkml.kernel.org/r/20170315021431.13107-8-andi@firstfloor.org
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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.