Hi all, After merging the akpm-current tree, today's linux-next build (x86_64 allmodconfig) produced this warning: In file included from arch/x86/include/asm/percpu.h:45, from arch/x86/include/asm/current.h:6, from include/linux/sched.h:12, from include/linux/uaccess.h:5, from fs/proc/base.c:51: fs/proc/base.c: In function 'proc_smack_attr_dir_lookup': include/linux/kernel.h:73:25: warning: passing argument 4 of 'proc_pident_lookup' makes pointer from integer without a cast [-Wint-conversion] #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/proc/base.c:2602:7: note: in expansion of macro 'ARRAY_SIZE' ARRAY_SIZE(LSM##_attr_dir_stuff)); \ ^~~~~~~~~~ fs/proc/base.c:2615:1: note: in expansion of macro 'LSM_DIR_OPS' LSM_DIR_OPS(smack); ^~~~~~~~~~~ fs/proc/base.c:2454:31: note: expected 'const struct pid_entry *' but argument is of type 'long unsigned int' const struct pid_entry *end) ~~~~~~~~~~~~~~~~~~~~~~~~^~~ Introduced by commit f6e3521a4c5b ("proc: calculate end pointer for /proc/*/* lookup at compile time") interacting with commit 6d9c939dbe4d ("procfs: add smack subdir to attrs") from the security tree. I have applied the following merge fix patch From: Stephen Rothwell Date: Thu, 31 Jan 2019 15:56:56 +1100 Subject: [PATCH] proc: merge fix for proc_pident_lookup() API change Signed-off-by: Stephen Rothwell --- fs/proc/base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/base.c b/fs/proc/base.c index 4ac7f32c1929..3daca4367d29 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -2599,7 +2599,7 @@ static struct dentry *proc_##LSM##_attr_dir_lookup(struct inode *dir, \ { \ return proc_pident_lookup(dir, dentry, \ LSM##_attr_dir_stuff, \ - ARRAY_SIZE(LSM##_attr_dir_stuff)); \ + LSM##_attr_dir_stuff + ARRAY_SIZE(LSM##_attr_dir_stuff)); \ } \ \ static const struct inode_operations proc_##LSM##_attr_dir_inode_ops = { \ -- 2.20.1 --- Cheers, Stephen Rothwell