+ xtensa-mm-enable-arch_has_vm_get_page_prot-fix.patch added to mm-unstable branch

+ xtensa-mm-enable-arch_has_vm_get_page_prot-fix.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: xtensa: noMMU: fix vm_get_page_prot definition
has been added to the -mm mm-unstable branch.  Its filename is
     xtensa-mm-enable-arch_has_vm_get_page_prot-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/xtensa-mm-enable-arch_has_vm_get_page_prot-fix.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: Max Filippov <jcmvbkbc@gmail.com>
Subject: xtensa: noMMU: fix vm_get_page_prot definition
Date: Tue, 5 Jul 2022 15:14:11 -0700

Don't define protection_map and don't use DECLARE_VM_GET_PAGE_PROT in
noMMU configs, because in that case the definition for vm_get_page_prot is
provided by the include/linux/mm.h

Link: https://lkml.kernel.org/r/20220705221411.3381797-1-jcmvbkbc@gmail.com
Fixes: 61ab8053710f ("xtensa/mm: enable ARCH_HAS_VM_GET_PAGE_PROT")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Guo Ren <guoren@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/xtensa/mm/init.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/xtensa/mm/init.c~xtensa-mm-enable-arch_has_vm_get_page_prot-fix
+++ a/arch/xtensa/mm/init.c
@@ -217,6 +217,7 @@ static int __init parse_memmap_opt(char
 }
 early_param("memmap", parse_memmap_opt);
 
+#ifdef CONFIG_MMU
 static const pgprot_t protection_map[16] = {
 	[VM_NONE]					= PAGE_NONE,
 	[VM_READ]					= PAGE_READONLY,
@@ -236,3 +237,4 @@ static const pgprot_t protection_map[16]
 	[VM_SHARED | VM_EXEC | VM_WRITE | VM_READ]	= PAGE_SHARED_EXEC
 };
 DECLARE_VM_GET_PAGE_PROT
+#endif
_

Patches currently in -mm which might be from jcmvbkbc@gmail.com are

xtensa-mm-enable-arch_has_vm_get_page_prot-fix.patch