mm: thp: correct split_huge_pages file permission

split_huge_pages doesn't support get method at all, so the read
permission sounds confusing, change the permission to write only.

And, add "\n" to the output of set method to make it more readable.

Signed-off-by: Yang Shi <yang.shi@linaro.org>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yang Shi 2016-05-05 16:22:00 -07:00 committed by Linus Torvalds
parent c5e0666c5a
commit 145bdaa150

View File

@ -3452,7 +3452,7 @@ next:
}
}
pr_info("%lu of %lu THP split", split, total);
pr_info("%lu of %lu THP split\n", split, total);
return 0;
}
@ -3463,7 +3463,7 @@ static int __init split_huge_pages_debugfs(void)
{
void *ret;
ret = debugfs_create_file("split_huge_pages", 0644, NULL, NULL,
ret = debugfs_create_file("split_huge_pages", 0200, NULL, NULL,
&split_huge_pages_fops);
if (!ret)
pr_warn("Failed to create split_huge_pages in debugfs");