+ hugetlbfs-fix-inaccurate-comment-in-hugetlbfs_statfs.patch added to mm-unstable branch

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The patch titled
     Subject: hugetlbfs: fix inaccurate comment in hugetlbfs_statfs()
has been added to the -mm mm-unstable branch.  Its filename is
     hugetlbfs-fix-inaccurate-comment-in-hugetlbfs_statfs.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hugetlbfs-fix-inaccurate-comment-in-hugetlbfs_statfs.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: hugetlbfs: fix inaccurate comment in hugetlbfs_statfs()
Date: Tue, 26 Jul 2022 22:29:18 +0800

In some cases, e.g.  when size option is not specified, f_blocks, f_bavail
and f_bfree will be set to -1 instead of 0.  Likewise, when nr_inodes
isn't specified, f_files and f_ffree will be set to -1 too.  Update the
comment to make this clear.

Link: https://lkml.kernel.org/r/20220726142918.51693-6-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: <songmuchun@xxxxxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/hugetlbfs/inode.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/hugetlbfs/inode.c~hugetlbfs-fix-inaccurate-comment-in-hugetlbfs_statfs
+++ a/fs/hugetlbfs/inode.c
@@ -1090,7 +1090,7 @@ static int hugetlbfs_statfs(struct dentr
 	buf->f_bsize = huge_page_size(h);
 	if (sbinfo) {
 		spin_lock(&sbinfo->stat_lock);
-		/* If no limits set, just report 0 for max/free/used
+		/* If no limits set, just report 0 or -1 for max/free/used
 		 * blocks, like simple_statfs() */
 		if (sbinfo->spool) {
 			long free_pages;
_

Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are

mm-hugetlb-avoid-corrupting-page-mapping-in-hugetlb_mcopy_atomic_pte.patch
mm-page_alloc-minor-clean-up-for-memmap_init_compound.patch
mm-mmapc-fix-missing-call-to-vm_unacct_memory-in-mmap_region.patch
filemap-minor-cleanup-for-filemap_write_and_wait_range.patch
mm-remove-obsolete-comment-in-do_fault_around.patch
mm-remove-unneeded-pageanon-check-in-restore_exclusive_pte.patch
mm-mempolicy-remove-unneeded-out-label.patch
hugetlb_cgroup-fix-wrong-hugetlb-cgroup-numa-stat.patch
hugetlbfs-use-helper-macro-sz_1km.patch
hugetlbfs-remove-unneeded-hugetlbfs_ops-forward-declaration.patch
hugetlbfs-remove-unneeded-header-file.patch
hugetlbfs-cleanup-some-comments-in-inodec.patch
hugetlbfs-fix-inaccurate-comment-in-hugetlbfs_statfs.patch




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