sched/headers: Prepare for new header dependencies before moving code to <linux/sched/mm.h>

We are going to split <linux/sched/mm.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/mm.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

The APIs that are going to be moved first are:

   mm_alloc()
   __mmdrop()
   mmdrop()
   mmdrop_async_fn()
   mmdrop_async()
   mmget_not_zero()
   mmput()
   mmput_async()
   get_task_mm()
   mm_access()
   mm_release()

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

20 files changed, 23 insertions, 0 deletions

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 2bbcdc6fdfee..e33e7fbe870b 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -32,6 +32,7 @@
 #include <linux/debugfs.h>
 #include <linux/rbtree.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/seq_file.h>
 #include <linux/uaccess.h>
 #include <linux/vmalloc.h>
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index ca5f2aa7232d..84d1ffd1eef9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -23,6 +23,7 @@
 #include <linux/mutex.h>
 #include <linux/log2.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/slab.h>
 #include <linux/amd-iommu.h>
 #include <linux/notifier.h>
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index e78f1406885d..ae2882b64b82 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -16,6 +16,7 @@
 
 #include <linux/spinlock.h>
 #include <linux/shmem_fs.h>
+#include <linux/sched/mm.h>
 
 #include "etnaviv_drv.h"
 #include "etnaviv_gem.h"
diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c
index 0115989e324a..22b46398831e 100644
--- a/drivers/gpu/drm/i915/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/i915_gem_userptr.c
@@ -31,6 +31,7 @@
 #include <linux/mmu_notifier.h>
 #include <linux/mempolicy.h>
 #include <linux/swap.h>
+#include <linux/sched/mm.h>
 
 struct i915_mm_struct {
 	struct mm_struct *mm;
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 446b56a5260b..d525b1a2986a 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -35,6 +35,7 @@
 #include <linux/mm.h>
 #include <linux/dma-mapping.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/export.h>
 #include <linux/hugetlb.h>
 #include <linux/slab.h>
diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c
index f2fc0431512d..7279f259494f 100644
--- a/drivers/infiniband/core/umem_odp.c
+++ b/drivers/infiniband/core/umem_odp.c
@@ -32,6 +32,7 @@
 
 #include <linux/types.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/pid.h>
 #include <linux/slab.h>
 #include <linux/export.h>
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index 3b19c16a9e45..f78c739b330a 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -48,6 +48,7 @@
 #include <linux/cdev.h>
 #include <linux/vmalloc.h>
 #include <linux/io.h>
+#include <linux/sched/mm.h>
 
 #include <rdma/ib.h>
 
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 88608906ce25..56da8f0d71bb 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -39,6 +39,8 @@
 #include <linux/inetdevice.h>
 #include <linux/rtnetlink.h>
 #include <linux/if_vlan.h>
+#include <linux/sched/mm.h>
+
 #include <net/ipv6.h>
 #include <net/addrconf.h>
 #include <net/devlink.h>
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 5b3355268725..4b1ec3ff152a 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -41,6 +41,7 @@
 #include <asm/pat.h>
 #endif
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/delay.h>
 #include <rdma/ib_user_verbs.h>
 #include <rdma/ib_addr.h>
diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/hw/usnic/usnic_uiom.c
index 1ccee6ea5bc3..ba868be5af2e 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom.c
+++ b/drivers/infiniband/hw/usnic/usnic_uiom.c
@@ -35,6 +35,7 @@
 #include <linux/mm.h>
 #include <linux/dma-mapping.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/hugetlb.h>
 #include <linux/iommu.h>
 #include <linux/workqueue.h>
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index f8ed8c95b685..063343909b0d 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -22,6 +22,7 @@
 #include <linux/profile.h>
 #include <linux/module.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/iommu.h>
 #include <linux/wait.h>
 #include <linux/pci.h>
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index 51f2b228723f..23c427602c55 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -16,6 +16,7 @@
 #include <linux/intel-iommu.h>
 #include <linux/mmu_notifier.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/slab.h>
 #include <linux/intel-svm.h>
 #include <linux/rculist.h>
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c
index 30c60687d277..1a6787bc9386 100644
--- a/drivers/lguest/lguest_user.c
+++ b/drivers/lguest/lguest_user.c
@@ -8,6 +8,7 @@
 #include <linux/miscdevice.h>
 #include <linux/fs.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/file.h>
 #include <linux/slab.h>
 #include <linux/export.h>
diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c
index 377e650a2a1d..e33011e3e7e2 100644
--- a/drivers/misc/cxl/fault.c
+++ b/drivers/misc/cxl/fault.c
@@ -9,6 +9,7 @@
 
 #include <linux/workqueue.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/pid.h>
 #include <linux/mm.h>
 #include <linux/moduleparam.h>
diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c
index f806a4471eb9..d0e9c60f944e 100644
--- a/drivers/misc/mic/scif/scif_rma.c
+++ b/drivers/misc/mic/scif/scif_rma.c
@@ -17,6 +17,8 @@
  */
 #include <linux/dma_remapping.h>
 #include <linux/pagemap.h>
+#include <linux/sched/mm.h>
+
 #include "scif_main.h"
 #include "scif_map.h"
 
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index 642478d35e99..eb0c35994b54 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -31,6 +31,7 @@
 #include <linux/fs.h>
 #include <linux/oprofile.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/gfp.h>
 
 #include "oprofile_stats.h"
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c
index 59b3f62a2d64..185d50ee1b12 100644
--- a/drivers/vfio/vfio_iommu_spapr_tce.c
+++ b/drivers/vfio/vfio_iommu_spapr_tce.c
@@ -20,6 +20,8 @@
 #include <linux/err.h>
 #include <linux/vfio.h>
 #include <linux/vmalloc.h>
+#include <linux/sched/mm.h>
+
 #include <asm/iommu.h>
 #include <asm/tce.h>
 #include <asm/mmu_context.h>
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index bd6f293c4ebd..7e94c7fc90ae 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -32,6 +32,7 @@
 #include <linux/mm.h>
 #include <linux/rbtree.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
 #include <linux/vfio.h>
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 4269e621e254..4a00140a7624 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -27,6 +27,7 @@
 #include <linux/cgroup.h>
 #include <linux/module.h>
 #include <linux/sort.h>
+#include <linux/sched/mm.h>
 #include <linux/interval_tree_generic.h>
 
 #include "vhost.h"
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 2ef2b61b69df..c77a0751a311 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -32,6 +32,7 @@
 #include <linux/types.h>
 #include <linux/uaccess.h>
 #include <linux/sched.h>
+#include <linux/sched/mm.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>
 #include <linux/highmem.h>