Merge branch 'akpm' (patches from Andrew)

Merge misc updates from Andrew Morton:

 - a few MM hotfixes

 - kthread, tools, scripts, ntfs and ocfs2

 - some of MM

Subsystems affected by this patch series: kthread, tools, scripts, ntfs,
ocfs2 and mm (hofixes, pagealloc, slab-generic, slab, slub, kcsan,
debug, pagecache, gup, swap, shmem, memcg, pagemap, mremap, mincore,
sparsemem, vmalloc, kasan, pagealloc, hugetlb and vmscan).

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (162 commits)
  mm: vmscan: consistent update to pgrefill
  mm/vmscan.c: fix typo
  khugepaged: khugepaged_test_exit() check mmget_still_valid()
  khugepaged: retract_page_tables() remember to test exit
  khugepaged: collapse_pte_mapped_thp() protect the pmd lock
  khugepaged: collapse_pte_mapped_thp() flush the right range
  mm/hugetlb: fix calculation of adjust_range_if_pmd_sharing_possible
  mm: thp: replace HTTP links with HTTPS ones
  mm/page_alloc: fix memalloc_nocma_{save/restore} APIs
  mm/page_alloc.c: skip setting nodemask when we are in interrupt
  mm/page_alloc: fallbacks at most has 3 elements
  mm/page_alloc: silence a KASAN false positive
  mm/page_alloc.c: remove unnecessary end_bitidx for [set|get]_pfnblock_flags_mask()
  mm/page_alloc.c: simplify pageblock bitmap access
  mm/page_alloc.c: extract the common part in pfn_to_bitidx()
  mm/page_alloc.c: replace the definition of NR_MIGRATETYPE_BITS with PB_migratetype_bits
  mm/shuffle: remove dynamic reconfiguration
  mm/memory_hotplug: document why shuffle_zone() is relevant
  mm/page_alloc: remove nr_free_pagecache_pages()
  mm: remove vm_total_pages
  ...

8 files changed, 20 insertions, 12 deletions

diff --git a/fs/ocfs2/Kconfig b/fs/ocfs2/Kconfig
index aca16624b370..5d11380d8724 100644
--- a/fs/ocfs2/Kconfig
+++ b/fs/ocfs2/Kconfig
@@ -16,9 +16,9 @@ config OCFS2_FS
 	  You'll want to install the ocfs2-tools package in order to at least
 	  get "mount.ocfs2".
 
-	  Project web page:    http://oss.oracle.com/projects/ocfs2
-	  Tools web page:      http://oss.oracle.com/projects/ocfs2-tools
-	  OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/
+	  Project web page:    https://oss.oracle.com/projects/ocfs2
+	  Tools web page:      https://oss.oracle.com/projects/ocfs2-tools
+	  OCFS2 mailing lists: https://oss.oracle.com/projects/ocfs2/mailman/
 
 	  For more information on OCFS2, see the file
 	  <file:Documentation/filesystems/ocfs2.rst>.
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index bb981ec76456..7b07f5df3a29 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -256,6 +256,8 @@ static int ocfs2_set_acl(handle_t *handle,
 		ret = ocfs2_xattr_set(inode, name_index, "", value, size, 0);
 
 	kfree(value);
+	if (!ret)
+		set_cached_acl(inode, type, acl);
 
 	return ret;
 }
diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c
index eaf042feaf5e..6e07ddb0e3c0 100644
--- a/fs/ocfs2/blockcheck.c
+++ b/fs/ocfs2/blockcheck.c
@@ -124,7 +124,7 @@ u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr
 		 * parity bits that are part of the bit number
 		 * representation.  Huh?
 		 *
-		 * <wikipedia href="http://en.wikipedia.org/wiki/Hamming_code">
+		 * <wikipedia href="https://en.wikipedia.org/wiki/Hamming_code">
 		 * In other words, the parity bit at position 2^k
 		 * checks bits in positions having bit k set in
 		 * their binary representation.  Conversely, for
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 751bc4dc7466..8e3a369086db 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -2871,9 +2871,15 @@ int ocfs2_nfs_sync_lock(struct ocfs2_super *osb, int ex)
 
 	status = ocfs2_cluster_lock(osb, lockres, ex ? LKM_EXMODE : LKM_PRMODE,
 				    0, 0);
-	if (status < 0)
+	if (status < 0) {
 		mlog(ML_ERROR, "lock on nfs sync lock failed %d\n", status);
 
+		if (ex)
+			up_write(&osb->nfs_sync_rwlock);
+		else
+			up_read(&osb->nfs_sync_rwlock);
+	}
+
 	return status;
 }
 
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 2dd71d626196..7993d527edae 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -327,8 +327,8 @@ struct ocfs2_super
 	spinlock_t osb_lock;
 	u32 s_next_generation;
 	unsigned long osb_flags;
-	s16 s_inode_steal_slot;
-	s16 s_meta_steal_slot;
+	u16 s_inode_steal_slot;
+	u16 s_meta_steal_slot;
 	atomic_t s_num_inodes_stolen;
 	atomic_t s_num_meta_stolen;
 
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 45745cc3408a..8c8cf7f4eb34 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -879,9 +879,9 @@ static void __ocfs2_set_steal_slot(struct ocfs2_super *osb, int slot, int type)
 {
 	spin_lock(&osb->osb_lock);
 	if (type == INODE_ALLOC_SYSTEM_INODE)
-		osb->s_inode_steal_slot = slot;
+		osb->s_inode_steal_slot = (u16)slot;
 	else if (type == EXTENT_ALLOC_SYSTEM_INODE)
-		osb->s_meta_steal_slot = slot;
+		osb->s_meta_steal_slot = (u16)slot;
 	spin_unlock(&osb->osb_lock);
 }
 
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index f0a5d30a175d..50b36250beb6 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -40,7 +40,7 @@ struct ocfs2_alloc_context {
 
 	u64    ac_last_group;
 	u64    ac_max_block;  /* Highest block number to allocate. 0 is
-				 is the same as ~0 - unlimited */
+				 the same as ~0 - unlimited */
 
 	int    ac_find_loc_only;  /* hack for reflink operation ordering */
 	struct ocfs2_suballoc_result *ac_find_loc_priv; /* */
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 71ea9ce71a6b..1d91dd1e8711 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -78,7 +78,7 @@ struct mount_options
 	unsigned long	commit_interval;
 	unsigned long	mount_opt;
 	unsigned int	atime_quantum;
-	signed short	slot;
+	unsigned short	slot;
 	int		localalloc_opt;
 	unsigned int	resv_level;
 	int		dir_resv_level;
@@ -1349,7 +1349,7 @@ static int ocfs2_parse_options(struct super_block *sb,
 				goto bail;
 			}
 			if (option)
-				mopt->slot = (s16)option;
+				mopt->slot = (u16)option;
 			break;
 		case Opt_commit:
 			if (match_int(&args[0], &option)) {