mm/mmap: remove obsolete comment in ksys_mmap_pgoff

RLIMIT_MEMLOCK is already reimplemented on top of ucounts now.  And
since commit 83c1fd763b32 ("mm,hugetlb: remove mlock ulimit for
SHM_HUGETLB"), mlock ulimit for SHM_HUGETLB is further removed.

So we should remove this obsolete comment.

Link: https://lkml.kernel.org/r/20220309090623.13036-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/mmap.c b/mm/mmap.c
index c5c47d9..bd3416e 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1616,8 +1616,6 @@ unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
                /*
                 * VM_NORESERVE is used because the reservations will be
                 * taken when vm_ops->mmap() is called
-                * A dummy user value is used because we are not locking
-                * memory so no accounting is necessary
                 */
                file = hugetlb_file_setup(HUGETLB_ANON_FILE, len,
                                VM_NORESERVE,