The patch titled
Subject: mm/vma: define a default value for VM_DATA_DEFAULT_FLAGS
has been removed from the -mm tree. Its filename was
mm-vma-define-a-default-value-for-vm_data_default_flags.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Subject: mm/vma: define a default value for VM_DATA_DEFAULT_FLAGS
There are many platforms with exact same value for VM_DATA_DEFAULT_FLAGS
This creates a default value for VM_DATA_DEFAULT_FLAGS in line with the
existing VM_STACK_DEFAULT_FLAGS. While here, also define some more macros
with standard VMA access flag combinations that are used frequently across
many platforms. Apart from simplification, this reduces code duplication
as well.
Link: http://lkml.kernel.org/r/1583391014-8170-2-git-send-email-anshuman.khandual@xxxxxxx
Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Richard Henderson <rth@xxxxxxxxxxx>
Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Mark Salter <msalter@xxxxxxxxxx>
Cc: Guo Ren <guoren@xxxxxxxxxx>
Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Cc: Brian Cain <bcain@xxxxxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Michal Simek <monstr@xxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Paul Burton <paulburton@xxxxxxxxxx>
Cc: Nick Hu <nickhu@xxxxxxxxxxxxx>
Cc: Ley Foon Tan <ley.foon.tan@xxxxxxxxx>
Cc: Jonas Bonn <jonas@xxxxxxxxxxxx>
Cc: "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Rich Felker <dalias@xxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Guan Xuetao <gxt@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Jeff Dike <jdike@xxxxxxxxxxx>
Cc: Chris Zankel <chris@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/alpha/include/asm/page.h | 3 ---
arch/arc/include/asm/page.h | 2 +-
arch/arm/include/asm/page.h | 4 +---
arch/arm64/include/asm/page.h | 4 +---
arch/c6x/include/asm/page.h | 5 +----
arch/csky/include/asm/page.h | 3 ---
arch/h8300/include/asm/page.h | 2 --
arch/hexagon/include/asm/page.h | 3 +--
arch/ia64/include/asm/page.h | 5 +----
arch/m68k/include/asm/page.h | 3 ---
arch/microblaze/include/asm/page.h | 2 --
arch/mips/include/asm/page.h | 5 +----
arch/nds32/include/asm/page.h | 3 ---
arch/nios2/include/asm/page.h | 3 +--
arch/openrisc/include/asm/page.h | 5 -----
arch/parisc/include/asm/page.h | 3 ---
arch/powerpc/include/asm/page.h | 9 ++-------
arch/powerpc/include/asm/page_64.h | 7 ++-----
arch/riscv/include/asm/page.h | 3 +--
arch/s390/include/asm/page.h | 3 +--
arch/sh/include/asm/page.h | 3 ---
arch/sparc/include/asm/page_32.h | 3 ---
arch/sparc/include/asm/page_64.h | 3 ---
arch/unicore32/include/asm/page.h | 3 ---
arch/x86/include/asm/page_types.h | 4 +---
arch/x86/um/asm/vm-flags.h | 10 ++--------
arch/xtensa/include/asm/page.h | 3 ---
include/linux/mm.h | 14 ++++++++++++++
28 files changed, 31 insertions(+), 89 deletions(-)
--- a/arch/alpha/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/alpha/include/asm/page.h
@@ -90,9 +90,6 @@ typedef struct page *pgtable_t;
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#endif /* CONFIG_DISCONTIGMEM */
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
--- a/arch/arc/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/arc/include/asm/page.h
@@ -102,7 +102,7 @@ typedef pte_t * pgtable_t;
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
/* Default Permissions for stack/heaps pages (Non Executable) */
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_NON_EXEC
#define WANT_PAGE_VIRTUAL 1
--- a/arch/arm64/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/arm64/include/asm/page.h
@@ -36,9 +36,7 @@ extern int pfn_valid(unsigned long);
#endif /* !__ASSEMBLY__ */
-#define VM_DATA_DEFAULT_FLAGS \
- (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
- VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC
#include <asm-generic/getorder.h>
--- a/arch/arm/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/arm/include/asm/page.h
@@ -161,9 +161,7 @@ extern int pfn_valid(unsigned long);
#endif /* !__ASSEMBLY__ */
-#define VM_DATA_DEFAULT_FLAGS \
- (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
- VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC
#include <asm-generic/getorder.h>
--- a/arch/c6x/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/c6x/include/asm/page.h
@@ -2,10 +2,7 @@
#ifndef _ASM_C6X_PAGE_H
#define _ASM_C6X_PAGE_H
-#define VM_DATA_DEFAULT_FLAGS \
- (VM_READ | VM_WRITE | \
- ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC
#include <asm-generic/page.h>
--- a/arch/csky/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/csky/include/asm/page.h
@@ -85,9 +85,6 @@ extern unsigned long va_pa_offset;
PHYS_OFFSET_OFFSET)
#define virt_to_page(x) (mem_map + MAP_NR(x))
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#define pfn_to_kaddr(x) __va(PFN_PHYS(x))
#include <asm-generic/memory_model.h>
--- a/arch/h8300/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/h8300/include/asm/page.h
@@ -6,8 +6,6 @@
#include <linux/types.h>
#define MAP_NR(addr) (((uintptr_t)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#ifndef __ASSEMBLY__
extern unsigned long rom_length;
--- a/arch/hexagon/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/hexagon/include/asm/page.h
@@ -93,8 +93,7 @@ struct page;
#define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(__pa(kaddr)))
/* Default vm area behavior is non-executable. */
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_NON_EXEC
#define pfn_valid(pfn) ((pfn) < max_mapnr)
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
--- a/arch/ia64/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/ia64/include/asm/page.h
@@ -218,10 +218,7 @@ get_order (unsigned long size)
#define PAGE_OFFSET RGN_BASE(RGN_KERNEL)
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC | \
- (((current->personality & READ_IMPLIES_EXEC) != 0) \
- ? VM_EXEC : 0))
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC
#define GATE_ADDR RGN_BASE(RGN_GATE)
--- a/arch/m68k/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/m68k/include/asm/page.h
@@ -65,9 +65,6 @@ extern unsigned long _ramend;
#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT))
#define __pfn_to_phys(pfn) PFN_PHYS(pfn)
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#include <asm-generic/getorder.h>
#endif /* _M68K_PAGE_H */
--- a/arch/microblaze/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/microblaze/include/asm/page.h
@@ -194,8 +194,6 @@ extern int page_is_ram(unsigned long pfn
#ifdef CONFIG_MMU
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#endif /* CONFIG_MMU */
#endif /* __KERNEL__ */
--- a/arch/mips/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/mips/include/asm/page.h
@@ -253,10 +253,7 @@ extern bool __virt_addr_valid(const vola
#define virt_addr_valid(kaddr) \
__virt_addr_valid((const volatile void *) (kaddr))
-#define VM_DATA_DEFAULT_FLAGS \
- (VM_READ | VM_WRITE | \
- ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
--- a/arch/nds32/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/nds32/include/asm/page.h
@@ -59,9 +59,6 @@ typedef struct page *pgtable_t;
#endif /* !__ASSEMBLY__ */
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#endif /* __KERNEL__ */
#endif
--- a/arch/nios2/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/nios2/include/asm/page.h
@@ -98,8 +98,7 @@ static inline bool pfn_valid(unsigned lo
# define virt_to_page(vaddr) pfn_to_page(PFN_DOWN(virt_to_phys(vaddr)))
# define virt_addr_valid(vaddr) pfn_valid(PFN_DOWN(virt_to_phys(vaddr)))
-# define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+# define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_NON_EXEC
#include <asm-generic/memory_model.h>
--- a/arch/openrisc/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/openrisc/include/asm/page.h
@@ -86,11 +86,6 @@ typedef struct page *pgtable_t;
#endif /* __ASSEMBLY__ */
-
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
--- a/arch/parisc/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/parisc/include/asm/page.h
@@ -180,9 +180,6 @@ extern int npmem_ranges;
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
#include <asm/pdc.h>
--- a/arch/powerpc/include/asm/page_64.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/powerpc/include/asm/page_64.h
@@ -94,11 +94,8 @@ extern u64 ppc64_pft_size;
* stack by default, so in the absence of a PT_GNU_STACK program header
* we turn execute permission off.
*/
-#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-#define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_STACK_DEFAULT_FLAGS32 VM_DATA_FLAGS_EXEC
+#define VM_STACK_DEFAULT_FLAGS64 VM_DATA_FLAGS_NON_EXEC
#define VM_STACK_DEFAULT_FLAGS \
(is_32bit_task() ? \
--- a/arch/powerpc/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/powerpc/include/asm/page.h
@@ -240,13 +240,8 @@ static inline bool pfn_valid(unsigned lo
* and needs to be executable. This means the whole heap ends
* up being executable.
*/
-#define VM_DATA_DEFAULT_FLAGS32 \
- (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
- VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-#define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS32 VM_DATA_FLAGS_TSK_EXEC
+#define VM_DATA_DEFAULT_FLAGS64 VM_DATA_FLAGS_NON_EXEC
#ifdef __powerpc64__
#include <asm/page_64.h>
--- a/arch/riscv/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/riscv/include/asm/page.h
@@ -137,8 +137,7 @@ extern phys_addr_t __phys_addr_symbol(un
#define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr)))
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_NON_EXEC
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
--- a/arch/s390/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/s390/include/asm/page.h
@@ -181,8 +181,7 @@ int arch_make_page_accessible(struct pag
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_NON_EXEC
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
--- a/arch/sh/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/sh/include/asm/page.h
@@ -182,9 +182,6 @@ typedef struct page *pgtable_t;
#endif
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
--- a/arch/sparc/include/asm/page_32.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/sparc/include/asm/page_32.h
@@ -133,9 +133,6 @@ extern unsigned long pfn_base;
#define pfn_valid(pfn) (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr))
#define virt_addr_valid(kaddr) ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT) < max_mapnr)
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
--- a/arch/sparc/include/asm/page_64.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/sparc/include/asm/page_64.h
@@ -158,9 +158,6 @@ extern unsigned long PAGE_OFFSET;
#endif /* !(__ASSEMBLY__) */
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#include <asm-generic/getorder.h>
#endif /* _SPARC64_PAGE_H */
--- a/arch/unicore32/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/unicore32/include/asm/page.h
@@ -69,9 +69,6 @@ extern int pfn_valid(unsigned long);
#endif /* !__ASSEMBLY__ */
-#define VM_DATA_DEFAULT_FLAGS \
- (VM_READ | VM_WRITE | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#include <asm-generic/getorder.h>
#endif
--- a/arch/x86/include/asm/page_types.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/x86/include/asm/page_types.h
@@ -35,9 +35,7 @@
#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
-#define VM_DATA_DEFAULT_FLAGS \
- (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
- VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC
#define __PHYSICAL_START ALIGN(CONFIG_PHYSICAL_START, \
CONFIG_PHYSICAL_ALIGN)
--- a/arch/x86/um/asm/vm-flags.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/x86/um/asm/vm-flags.h
@@ -9,17 +9,11 @@
#ifdef CONFIG_X86_32
-#define VM_DATA_DEFAULT_FLAGS \
- (VM_READ | VM_WRITE | \
- ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC
#else
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#define VM_STACK_DEFAULT_FLAGS (VM_GROWSDOWN | VM_READ | VM_WRITE | \
- VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_STACK_DEFAULT_FLAGS (VM_GROWSDOWN | VM_DATA_FLAGS_EXEC)
#endif
#endif
--- a/arch/xtensa/include/asm/page.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/arch/xtensa/include/asm/page.h
@@ -203,8 +203,5 @@ static inline unsigned long ___pa(unsign
#endif /* __ASSEMBLY__ */
-#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
#include <asm-generic/memory_model.h>
#endif /* _XTENSA_PAGE_H */
--- a/include/linux/mm.h~mm-vma-define-a-default-value-for-vm_data_default_flags
+++ a/include/linux/mm.h
@@ -343,6 +343,20 @@ extern unsigned int kobjsize(const void
/* Bits set in the VMA until the stack is in its final location */
#define VM_STACK_INCOMPLETE_SETUP (VM_RAND_READ | VM_SEQ_READ)
+#define TASK_EXEC ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0)
+
+/* Common data flag combinations */
+#define VM_DATA_FLAGS_TSK_EXEC (VM_READ | VM_WRITE | TASK_EXEC | \
+ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_FLAGS_NON_EXEC (VM_READ | VM_WRITE | VM_MAYREAD | \
+ VM_MAYWRITE | VM_MAYEXEC)
+#define VM_DATA_FLAGS_EXEC (VM_READ | VM_WRITE | VM_EXEC | \
+ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+#ifndef VM_DATA_DEFAULT_FLAGS /* arch can override this */
+#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_EXEC
+#endif
+
#ifndef VM_STACK_DEFAULT_FLAGS /* arch can override this */
#define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
#endif
_
Patches currently in -mm which might be from anshuman.khandual@xxxxxxx are
mm-debug-add-tests-validating-architecture-page-table-helpers.patch
