Commit b6558c4a authored Jan 26, 2007 by Roland McGrath Committed by Linus Torvalds Jan 26, 2007

[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: Roland 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: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus 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);

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