+ include-remove-pagemaph-from-blkdevh.patch added to -mm tree

+ include-remove-pagemaph-from-blkdevh.patch added to -mm tree

[akpm]

The patch titled
     Subject: include: remove pagemap.h from blkdev.h
has been added to the -mm tree.  Its filename is
     include-remove-pagemaph-from-blkdevh.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/include-remove-pagemaph-from-blkdevh.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/include-remove-pagemaph-from-blkdevh.patch

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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

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there every 3-4 working days

------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: include: remove pagemap.h from blkdev.h

My UEK-derived config has 1030 files depending on pagemap.h before this
change.  Afterwards, just 326 files need to be rebuilt when I touch
pagemap.h.  I think blkdev.h is probably included too widely, but
untangling that dependency is harder and this solves my problem.  x86
allmodconfig builds, but there may be implicit include problems on other
architectures.

Link: https://lkml.kernel.org/r/20210309195747.283796-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Dan Williams <dan.j.williams@intel.com>		[nvdimm]
Acked-by: Jens Axboe <axboe@kernel.dk>				[block]
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Coly Li <colyli@suse.de>				[bcache]
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>	[scsi]
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 block/blk-settings.c      |    1 +
 drivers/block/brd.c       |    1 +
 drivers/block/loop.c      |    1 +
 drivers/md/bcache/super.c |    1 +
 drivers/nvdimm/btt.c      |    1 +
 drivers/nvdimm/pmem.c     |    1 +
 drivers/scsi/scsicam.c    |    1 +
 include/linux/blkdev.h    |    1 -
 include/linux/swap.h      |    1 +
 9 files changed, 8 insertions(+), 1 deletion(-)

--- a/block/blk-settings.c~include-remove-pagemaph-from-blkdevh
+++ a/block/blk-settings.c
@@ -7,6 +7,7 @@
 #include <linux/init.h>
 #include <linux/bio.h>
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/memblock.h>	/* for max_pfn/max_low_pfn */
 #include <linux/gcd.h>
 #include <linux/lcm.h>
--- a/drivers/block/brd.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/block/brd.c
@@ -18,6 +18,7 @@
 #include <linux/bio.h>
 #include <linux/highmem.h>
 #include <linux/mutex.h>
+#include <linux/pagemap.h>
 #include <linux/radix-tree.h>
 #include <linux/fs.h>
 #include <linux/slab.h>
--- a/drivers/block/loop.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/block/loop.c
@@ -53,6 +53,7 @@
 #include <linux/moduleparam.h>
 #include <linux/sched.h>
 #include <linux/fs.h>
+#include <linux/pagemap.h>
 #include <linux/file.h>
 #include <linux/stat.h>
 #include <linux/errno.h>
--- a/drivers/md/bcache/super.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/md/bcache/super.c
@@ -16,6 +16,7 @@
 #include "features.h"
 
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/debugfs.h>
 #include <linux/genhd.h>
 #include <linux/idr.h>
--- a/drivers/nvdimm/btt.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/nvdimm/btt.c
@@ -6,6 +6,7 @@
 #include <linux/highmem.h>
 #include <linux/debugfs.h>
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/mutex.h>
--- a/drivers/nvdimm/pmem.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/nvdimm/pmem.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/hdreg.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
--- a/drivers/scsi/scsicam.c~include-remove-pagemaph-from-blkdevh
+++ a/drivers/scsi/scsicam.c
@@ -17,6 +17,7 @@
 #include <linux/genhd.h>
 #include <linux/kernel.h>
 #include <linux/blkdev.h>
+#include <linux/pagemap.h>
 #include <linux/msdos_partition.h>
 #include <asm/unaligned.h>
 
--- a/include/linux/blkdev.h~include-remove-pagemaph-from-blkdevh
+++ a/include/linux/blkdev.h
@@ -11,7 +11,6 @@
 #include <linux/minmax.h>
 #include <linux/timer.h>
 #include <linux/workqueue.h>
-#include <linux/pagemap.h>
 #include <linux/backing-dev-defs.h>
 #include <linux/wait.h>
 #include <linux/mempool.h>
--- a/include/linux/swap.h~include-remove-pagemaph-from-blkdevh
+++ a/include/linux/swap.h
@@ -10,6 +10,7 @@
 #include <linux/sched.h>
 #include <linux/node.h>
 #include <linux/fs.h>
+#include <linux/pagemap.h>
 #include <linux/atomic.h>
 #include <linux/page-flags.h>
 #include <uapi/linux/mempolicy.h>
_

Patches currently in -mm which might be from willy@infradead.org are

mm-use-rcu_dereference-in-in_vfork.patch
mm-filemap-use-filemap_read_page-in-filemap_fault.patch
mm-filemap-drop-check-for-truncated-page-after-i-o.patch
mm-page_alloc-rename-alloc_mask-to-alloc_gfp.patch
mm-page_alloc-rename-gfp_mask-to-gfp.patch
mm-page_alloc-combine-__alloc_pages-and-__alloc_pages_nodemask.patch
mm-mempolicy-rename-alloc_pages_current-to-alloc_pages.patch
mm-mempolicy-rewrite-alloc_pages-documentation.patch
mm-mempolicy-rewrite-alloc_pages_vma-documentation.patch
mm-mempolicy-fix-mpol_misplaced-kernel-doc.patch
include-remove-pagemaph-from-blkdevh.patch