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From: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] Suppress warnings when compiling fs/proc/task_mmu.c with W=1
Date: Sun, 31 Jul 2016 23:28:03 -0400
Message-ID: <8727.1470022083@turing-police.cc.vt.edu> (raw)

Suppress a bunch of warnings of the form:

fs/proc/task_mmu.c: In function 'show_smap_vma_flags':
fs/proc/task_mmu.c:635:22: warning: initialized field overwritten [-Wt override-init]
   [ilog2(VM_READ)] = "rd",
                      ^~~~
fs/proc/task_mmu.c:635:22: note: (near initialization for 'mnemonics[0]')

They happen because of the way we intentionally build the table, so
silence the warning when building with 'make W=1'.

Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 7151ea428041..a8c13605b434 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -4,6 +4,7 @@
 
 obj-y   += proc.o
 
+CFLAGS_task_mmu.o	+= -Wno-override-init
 proc-y			:= nommu.o task_nommu.o
 proc-$(CONFIG_MMU)	:= task_mmu.o
 

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