checkpatch: add warning of future __GFP_NOFAIL use

[~andy/linux] / scripts / checkpatch.pl

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 8efce590d4b6ea528edc63ddb10c02537c1a79c4..9bb4a421a8d0d1704e161715b6b2c8ecbb7e1fcc 100755 (executable)
--- 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",