Commit 7e4915e7 authored Jan 23, 2014 by David Rientjes Committed by Linus Torvalds Jan 23, 2014

checkpatch: add warning of future __GFP_NOFAIL use



gfp.h and page_alloc.c already specify that __GFP_NOFAIL is deprecated and
no new users should be added.

Add a warning to checkpatch to catch this.

Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent d2e248e7

scripts/checkpatch.pl

+6 −0

Original line number	Diff line number	Diff line
		@@ -4113,6 +4113,12 @@ sub process {
		"$1 uses number as first arg, sizeof is generally wrong\n" . $herecurr);
		}

		# check for GFP_NOWAIT use
		if ($line =~ /\b__GFP_NOFAIL\b/) {
		WARN("__GFP_NOFAIL",
		"Use of __GFP_NOFAIL is deprecated, no new users should be added\n" . $herecurr);
		}

		# check for multiple semicolons
		if ($line =~ /;\s;\s$/) {
		if (WARN("ONE_SEMICOLON",