The patch titled
Subject: mm/mmap: drop arch_vm_get_page_pgprot()
has been added to the -mm tree. Its filename is
mm-mmap-drop-arch_vm_get_page_pgprot.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-mmap-drop-arch_vm_get_page_pgprot.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-mmap-drop-arch_vm_get_page_pgprot.patch
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------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Subject: mm/mmap: drop arch_vm_get_page_pgprot()
There are no platforms left which use arch_vm_get_page_prot(). Just drop
arch_vm_get_page_prot() construct and simplify remaining code.
Link: https://lkml.kernel.org/r/1645425519-9034-14-git-send-email-anshuman.khandual@xxxxxxx
Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mman.h | 4 ----
mm/mmap.c | 10 +---------
2 files changed, 1 insertion(+), 13 deletions(-)
--- a/include/linux/mman.h~mm-mmap-drop-arch_vm_get_page_pgprot
+++ a/include/linux/mman.h
@@ -93,10 +93,6 @@ static inline void vm_unacct_memory(long
#define arch_calc_vm_flag_bits(flags) 0
#endif
-#ifndef arch_vm_get_page_prot
-#define arch_vm_get_page_prot(vm_flags) __pgprot(0)
-#endif
-
#ifndef arch_validate_prot
/*
* This is called from mprotect(). PROT_GROWSDOWN and PROT_GROWSUP have
--- a/mm/mmap.c~mm-mmap-drop-arch_vm_get_page_pgprot
+++ a/mm/mmap.c
@@ -102,7 +102,7 @@ static void unmap_region(struct mm_struc
* w: (no) no
* x: (yes) yes
*/
-static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
+pgprot_t vm_get_page_prot(unsigned long vm_flags)
{
switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
case VM_NONE:
@@ -141,14 +141,6 @@ static inline pgprot_t __vm_get_page_pro
BUILD_BUG();
}
}
-
-pgprot_t vm_get_page_prot(unsigned long vm_flags)
-{
- pgprot_t ret = __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) |
- pgprot_val(arch_vm_get_page_prot(vm_flags)));
-
- return ret;
-}
EXPORT_SYMBOL(vm_get_page_prot);
#endif /* CONFIG_ARCH_HAS_VM_GET_PAGE_PROT */
_
Patches currently in -mm which might be from anshuman.khandual@xxxxxxx are
mm-generalize-arch_has_filter_pgprot.patch
mm-merge-pte_mkhuge-call-into-arch_make_huge_pte.patch
mm-debug_vm_pgtable-drop-protection_map-usage.patch
mm-mmap-clarify-protection_map-indices.patch
mm-mmap-add-new-config-arch_has_vm_get_page_prot.patch
powerpc-mm-enable-arch_has_vm_get_page_prot.patch
arm64-mm-enable-arch_has_vm_get_page_prot.patch
sparc-mm-enable-arch_has_vm_get_page_prot.patch
mips-mm-enable-arch_has_vm_get_page_prot.patch
m68k-mm-enable-arch_has_vm_get_page_prot.patch
arm-mm-enable-arch_has_vm_get_page_prot.patch
mm-mmap-drop-protection_map.patch
mm-mmap-drop-arch_filter_pgprot.patch
mm-mmap-drop-arch_vm_get_page_pgprot.patch
s390-mm-enable-arch_has_vm_get_page_prot.patch
riscv-mm-enable-arch_has_vm_get_page_prot.patch
alpha-mm-enable-arch_has_vm_get_page_prot.patch
sh-mm-enable-arch_has_vm_get_page_prot.patch
arc-mm-enable-arch_has_vm_get_page_prot.patch
csky-mm-enable-arch_has_vm_get_page_prot.patch
extensa-mm-enable-arch_has_vm_get_page_prot.patch
parisc-mm-enable-arch_has_vm_get_page_prot.patch
openrisc-mm-enable-arch_has_vm_get_page_prot.patch
um-mm-enable-arch_has_vm_get_page_prot.patch
microblaze-mm-enable-arch_has_vm_get_page_prot.patch
nios2-mm-enable-arch_has_vm_get_page_prot.patch
hexagon-mm-enable-arch_has_vm_get_page_prot.patch
nds32-mm-enable-arch_has_vm_get_page_prot.patch
ia64-mm-enable-arch_has_vm_get_page_prot.patch
mm-mmap-drop-generic-vm_get_page_prot.patch
mm-mmap-drop-arch_has_vm_get_page_prot.patch
mm-hugetlb-generalize-arch_want_general_hugetlb.patch
mm-migration-add-trace-events-for-thp-migrations.patch
mm-migration-add-trace-events-for-base-page-and-hugetlb-migrations.patch
