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Commit b6558c4a authored by Roland McGrath's avatar Roland McGrath Committed by Linus Torvalds
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[PATCH] Fix gate_vma.vm_flags 



This patch fixes the initialization of gate_vma.vm_flags and
gate_vma.vm_page_prot to reflect reality.  This makes the "[vdso]" line in
/proc/PID/maps correctly show r-xp instead of ---p, when gate_vma is used
(CONFIG_COMPAT_VDSO on i386).

Signed-off-by: default avatarRoland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a1f3bb9a

mm/memory.c

+2 −2
Original line number Diff line number Diff line
@@ -2606,8 +2606,8 @@ static int __init gate_vma_init(void) 
	gate_vma.vm_mm = NULL;

	gate_vma.vm_start = FIXADDR_USER_START;

	gate_vma.vm_end = FIXADDR_USER_END;

	gate_vma.vm_page_prot = PAGE_READONLY;

	gate_vma.vm_flags = 0;

	gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC;

	gate_vma.vm_page_prot = __P101;

	return 0;

}

__initcall(gate_vma_init);