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scripts/checkpatch.pl: __GFP_NOFAIL isn't going away

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Revert commit 7e4915e789 ("checkpatch: add warning of future
__GFP_NOFAIL use").

There are no plans to remove __GFP_NOFAIL.

__GFP_NOFAIL exists to

a) centralise the retry-allocation-for-ever operation into the core
   allocator, which is the appropriate implementation site and

b) permit us to identify code sites which aren't handling memory
   exhaustion appropriately.

Cc: David Rientjes <rientjes@google.com>
Cc: Joe Perches <joe@perches.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2014-04-03 14:49:29 -07:00 committed by Linus Torvalds
parent 3b617e3b80
commit 74915c7dd0
1 changed files with 0 additions and 6 deletions
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6
scripts/checkpatch.pl
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@ -4330,12 +4330,6 @@ 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",