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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-02-23 17:55:39 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-02-23 17:55:39 +0000
commitf6604efe0bee759f4db34757f2872b611288ef0f (patch)
treef6bfff630be275291be6db763bdc5c9c9d406e52 /arch/arm/kernel/process.c
parentd3f79584a8b59a6760a8fe465b22e54081eaeb5e (diff)
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ARM: cleanup gate_vma initialization
Three's no need to have code initializing this by hand; it's more efficient to initialize the constant structure members directly. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/process.c')
-rw-r--r--arch/arm/kernel/process.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index c6dec5fc20aa..9397069af175 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -464,15 +464,16 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
* atomic helpers and the signal restart code. Insert it into the
* gate_vma so that it is visible through ptrace and /proc/<pid>/mem.
*/
-static struct vm_area_struct gate_vma;
+static struct vm_area_struct gate_vma = {
+ .vm_start = 0xffff0000,
+ .vm_end = 0xffff0000 + PAGE_SIZE,
+ .vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC,
+ .vm_mm = &init_mm,
+};
static int __init gate_vma_init(void)
{
- gate_vma.vm_start = 0xffff0000;
- gate_vma.vm_end = 0xffff0000 + PAGE_SIZE;
- gate_vma.vm_page_prot = PAGE_READONLY_EXEC;
- gate_vma.vm_flags = VM_READ | VM_EXEC |
- VM_MAYREAD | VM_MAYEXEC;
+ gate_vma.vm_page_prot = PAGE_READONLY_EXEC;
return 0;
}
arch_initcall(gate_vma_init);