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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-02-23 21:55:39 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-02-23 21:55:39 +0400 |
| commit | f6604efe0bee759f4db34757f2872b611288ef0f (patch) | |
| tree | f6bfff630be275291be6db763bdc5c9c9d406e52 /arch/arm/kernel/process.c | |
| parent | d3f79584a8b59a6760a8fe465b22e54081eaeb5e (diff) | |
| download | linux-f6604efe0bee759f4db34757f2872b611288ef0f.tar.xz | |
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.c | 13 |
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); |