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| author | Roland McGrath <roland@redhat.com> | 2007-01-26 00:56:47 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-01-26 13:50:58 -0800 |
| commit | b6558c4a2378af06f2beca6c8a3304e21d1cf135 (patch) | |
| tree | 9d04e1d79305ec7df586001301fca8ce72e2a5c3 | |
| parent | a1f3bb9ae4497a2ed3eac773fd7798ac33a0371f (diff) | |
| download | lwn-b6558c4a2378af06f2beca6c8a3304e21d1cf135.tar.gz lwn-b6558c4a2378af06f2beca6c8a3304e21d1cf135.zip | |
[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>
| -rw-r--r-- | mm/memory.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c index af227d26e104..5beb4b894c5a 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -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); |