From 7e4915e78992ebd3cc031051dc23063bbf29e749 Mon Sep 17 00:00:00 2001 From: David Rientjes Date: Thu, 23 Jan 2014 15:54:42 -0800 Subject: [PATCH] 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 Cc: Joe Perches Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 8efce590d4b6..9bb4a421a8d0 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -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", -- 2.20.1