[merged] mm-remove-the-prot-argument-from-vm_map_ram.patch removed from -mm tree

[merged] mm-remove-the-prot-argument-from-vm_map_ram.patch removed from -mm tree

[akpm]

The patch titled
     Subject: mm: remove the prot argument from vm_map_ram
has been removed from the -mm tree.  Its filename was
     mm-remove-the-prot-argument-from-vm_map_ram.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Christoph Hellwig <hch@lst.de>
Subject: mm: remove the prot argument from vm_map_ram

This is always PAGE_KERNEL - for long term mappings with other properties
vmap should be used.

Link: http://lkml.kernel.org/r/20200414131348.444715-19-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Gao Xiang <xiang@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Kelley <mikelley@microsoft.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c   |    2 +-
 drivers/media/common/videobuf2/videobuf2-dma-sg.c  |    3 +--
 drivers/media/common/videobuf2/videobuf2-vmalloc.c |    3 +--
 fs/erofs/decompressor.c                            |    2 +-
 fs/xfs/xfs_buf.c                                   |    2 +-
 include/linux/vmalloc.h                            |    3 +--
 mm/nommu.c                                         |    2 +-
 mm/vmalloc.c                                       |    4 ++--
 8 files changed, 9 insertions(+), 12 deletions(-)

--- a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c~mm-remove-the-prot-argument-from-vm_map_ram
+++ a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
@@ -66,7 +66,7 @@ static void *mock_dmabuf_vmap(struct dma
 {
 	struct mock_dmabuf *mock = to_mock(dma_buf);
 
-	return vm_map_ram(mock->pages, mock->npages, 0, PAGE_KERNEL);
+	return vm_map_ram(mock->pages, mock->npages, 0);
 }
 
 static void mock_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c~mm-remove-the-prot-argument-from-vm_map_ram
+++ a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -309,8 +309,7 @@ static void *vb2_dma_sg_vaddr(void *buf_
 		if (buf->db_attach)
 			buf->vaddr = dma_buf_vmap(buf->db_attach->dmabuf);
 		else
-			buf->vaddr = vm_map_ram(buf->pages,
-					buf->num_pages, -1, PAGE_KERNEL);
+			buf->vaddr = vm_map_ram(buf->pages, buf->num_pages, -1);
 	}
 
 	/* add offset in case userptr is not page-aligned */
--- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c~mm-remove-the-prot-argument-from-vm_map_ram
+++ a/drivers/media/common/videobuf2/videobuf2-vmalloc.c
@@ -107,8 +107,7 @@ static void *vb2_vmalloc_get_userptr(str
 		buf->vaddr = (__force void *)
 			ioremap(__pfn_to_phys(nums[0]), size + offset);
 	} else {
-		buf->vaddr = vm_map_ram(frame_vector_pages(vec), n_pages, -1,
-					PAGE_KERNEL);
+		buf->vaddr = vm_map_ram(frame_vector_pages(vec), n_pages, -1);
 	}
 
 	if (!buf->vaddr)
--- a/fs/erofs/decompressor.c~mm-remove-the-prot-argument-from-vm_map_ram
+++ a/fs/erofs/decompressor.c
@@ -274,7 +274,7 @@ static int z_erofs_decompress_generic(st
 
 	i = 0;
 	while (1) {
-		dst = vm_map_ram(rq->out, nrpages_out, -1, PAGE_KERNEL);
+		dst = vm_map_ram(rq->out, nrpages_out, -1);
 
 		/* retry two more times (totally 3 times) */
 		if (dst || ++i >= 3)
--- a/fs/xfs/xfs_buf.c~mm-remove-the-prot-argument-from-vm_map_ram
+++ a/fs/xfs/xfs_buf.c
@@ -477,7 +477,7 @@ _xfs_buf_map_pages(
 		nofs_flag = memalloc_nofs_save();
 		do {
 			bp->b_addr = vm_map_ram(bp->b_pages, bp->b_page_count,
-						-1, PAGE_KERNEL);
+						-1);
 			if (bp->b_addr)
 				break;
 			vm_unmap_aliases();
--- a/include/linux/vmalloc.h~mm-remove-the-prot-argument-from-vm_map_ram
+++ a/include/linux/vmalloc.h
@@ -88,8 +88,7 @@ struct vmap_area {
  *	Highlevel APIs for driver use
  */
 extern void vm_unmap_ram(const void *mem, unsigned int count);
-extern void *vm_map_ram(struct page **pages, unsigned int count,
-				int node, pgprot_t prot);
+extern void *vm_map_ram(struct page **pages, unsigned int count, int node);
 extern void vm_unmap_aliases(void);
 
 #ifdef CONFIG_MMU
--- a/mm/nommu.c~mm-remove-the-prot-argument-from-vm_map_ram
+++ a/mm/nommu.c
@@ -351,7 +351,7 @@ void vunmap(const void *addr)
 }
 EXPORT_SYMBOL(vunmap);
 
-void *vm_map_ram(struct page **pages, unsigned int count, int node, pgprot_t prot)
+void *vm_map_ram(struct page **pages, unsigned int count, int node)
 {
 	BUG();
 	return NULL;
--- a/mm/vmalloc.c~mm-remove-the-prot-argument-from-vm_map_ram
+++ a/mm/vmalloc.c
@@ -1835,7 +1835,7 @@ EXPORT_SYMBOL(vm_unmap_ram);
  *
  * Returns: a pointer to the address that has been mapped, or %NULL on failure
  */
-void *vm_map_ram(struct page **pages, unsigned int count, int node, pgprot_t prot)
+void *vm_map_ram(struct page **pages, unsigned int count, int node)
 {
 	unsigned long size = (unsigned long)count << PAGE_SHIFT;
 	unsigned long addr;
@@ -1859,7 +1859,7 @@ void *vm_map_ram(struct page **pages, un
 
 	kasan_unpoison_vmalloc(mem, size);
 
-	if (map_kernel_range(addr, size, prot, pages) < 0) {
+	if (map_kernel_range(addr, size, PAGE_KERNEL, pages) < 0) {
 		vm_unmap_ram(mem, count);
 		return NULL;
 	}
_

Patches currently in -mm which might be from hch@lst.de are

exec-simplify-the-copy_strings_kernel-calling-convention.patch
exec-open-code-copy_string_kernel.patch
amdgpu-a-null-mm-does-not-mean-a-thread-is-a-kthread.patch
kernel-move-use_mm-unuse_mm-to-kthreadc.patch
kernel-move-use_mm-unuse_mm-to-kthreadc-v2.patch
kernel-better-document-the-use_mm-unuse_mm-api-contract.patch
kernel-better-document-the-use_mm-unuse_mm-api-contract-v2.patch
kernel-set-user_ds-in-kthread_use_mm.patch
arm-fix-the-flush_icache_range-arguments-in-set_fiq_handler.patch
nds32-unexport-flush_icache_page.patch
powerpc-unexport-flush_icache_user_range.patch
unicore32-remove-flush_cache_user_range.patch
asm-generic-fix-the-inclusion-guards-for-cacheflushh.patch
asm-generic-dont-include-linux-mmh-in-cacheflushh.patch
asm-generic-dont-include-linux-mmh-in-cacheflushh-fix.patch
asm-generic-improve-the-flush_dcache_page-stub.patch
alpha-use-asm-generic-cacheflushh.patch
arm64-use-asm-generic-cacheflushh.patch
c6x-use-asm-generic-cacheflushh.patch
hexagon-use-asm-generic-cacheflushh.patch
ia64-use-asm-generic-cacheflushh.patch
microblaze-use-asm-generic-cacheflushh.patch
m68knommu-use-asm-generic-cacheflushh.patch
openrisc-use-asm-generic-cacheflushh.patch
powerpc-use-asm-generic-cacheflushh.patch
riscv-use-asm-generic-cacheflushh.patch
armsparcunicore32-remove-flush_icache_user_range.patch
mm-rename-flush_icache_user_range-to-flush_icache_user_page.patch
asm-generic-add-a-flush_icache_user_range-stub.patch
sh-implement-flush_icache_user_range.patch
xtensa-implement-flush_icache_user_range.patch
arm-rename-flush_cache_user_range-to-flush_icache_user_range.patch
m68k-implement-flush_icache_user_range.patch
exec-only-build-read_code-when-needed.patch
exec-use-flush_icache_user_range-in-read_code.patch
binfmt_flat-use-flush_icache_user_range.patch
nommu-use-flush_icache_user_range-in-brk-and-mmap.patch
module-move-the-set_fs-hack-for-flush_icache_range-to-m68k.patch
maccess-unexport-probe_kernel_write-and-probe_user_write.patch
maccess-remove-various-unused-weak-aliases.patch
maccess-remove-duplicate-kerneldoc-comments.patch
maccess-clarify-kerneldoc-comments.patch
maccess-update-the-top-of-file-comment.patch
maccess-rename-strncpy_from_unsafe_user-to-strncpy_from_user_nofault.patch
maccess-rename-strncpy_from_unsafe_strict-to-strncpy_from_kernel_nofault.patch
maccess-rename-strnlen_unsafe_user-to-strnlen_user_nofault.patch
maccess-remove-probe_read_common-and-probe_write_common.patch
maccess-unify-the-probe-kernel-arch-hooks.patch
bpf-factor-out-a-bpf_trace_copy_string-helper.patch
bpf-handle-the-compat-string-in-bpf_trace_copy_string-better.patch
bpf-rework-the-compat-kernel-probe-handling.patch
tracing-kprobes-handle-mixed-kernel-userspace-probes-better.patch
maccess-remove-strncpy_from_unsafe.patch
maccess-always-use-strict-semantics-for-probe_kernel_read.patch
maccess-move-user-access-routines-together.patch
maccess-allow-architectures-to-provide-kernel-probing-directly.patch
x86-use-non-set_fs-based-maccess-routines.patch
maccess-return-erange-when-copy_from_kernel_nofault_allowed-fails.patch