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mm/memory.c: convert to DEFINE_DEBUGFS_ATTRIBUTE

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The preferred strategy to define debugfs attributes is to use the
DEFINE_DEBUGFS_ATTRIBUTE() macro and to use debugfs_create_file_unsafe().

Link: http://lkml.kernel.org/r/20170528145948.32127-1-y.pronenko@gmail.com
Signed-off-by: Yevgen Pronenko <y.pronenko@gmail.com>
Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yevgen Pronenko 2017-07-10 15:47:17 -07:00 committed by Linus Torvalds
parent 7a8f58f391
commit 0a1345f8fe
1 changed files with 2 additions and 2 deletions
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mm/memory.c
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@ -3262,14 +3262,14 @@ static int fault_around_bytes_set(void *data, u64 val)
fault_around_bytes = PAGE_SIZE; /* rounddown_pow_of_two(0) is undefined */ fault_around_bytes = PAGE_SIZE; /* rounddown_pow_of_two(0) is undefined */
return 0; return 0;
} }
DEFINE_SIMPLE_ATTRIBUTE(fault_around_bytes_fops, DEFINE_DEBUGFS_ATTRIBUTE(fault_around_bytes_fops,
fault_around_bytes_get, fault_around_bytes_set, "%llu\n"); fault_around_bytes_get, fault_around_bytes_set, "%llu\n");
static int __init fault_around_debugfs(void) static int __init fault_around_debugfs(void)
{ {
void *ret; void *ret;
ret = debugfs_create_file("fault_around_bytes", 0644, NULL, NULL, ret = debugfs_create_file_unsafe("fault_around_bytes", 0644, NULL, NULL,
&fault_around_bytes_fops); &fault_around_bytes_fops);
if (!ret) if (!ret)
pr_warn("Failed to create fault_around_bytes in debugfs"); pr_warn("Failed to create fault_around_bytes in debugfs");