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authorJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-01-31 11:24:00 -0600
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-01-31 11:24:00 -0600
commit30716e07ef511ec7525c07eb1e8060ba8943c2a2 (patch)
treeeb6a47cae63d3587fa773cc5a16781eaa2c7810b /mm/memory.c
parent03c79cc56e4497cbd09d74a73c1bd0d1d9a8a16c (diff)
parentf56df2f4db6e4af87fb8e941cff69f4501a111df (diff)
downloadblackbird-op-linux-30716e07ef511ec7525c07eb1e8060ba8943c2a2.tar.gz
blackbird-op-linux-30716e07ef511ec7525c07eb1e8060ba8943c2a2.zip
Merge branch 'linus'
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c
index af227d26e104..ef09f0acb1d8 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2606,8 +2606,15 @@ 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;
+ /*
+ * Make sure the vDSO gets into every core dump.
+ * Dumping its contents makes post-mortem fully interpretable later
+ * without matching up the same kernel and hardware config to see
+ * what PC values meant.
+ */
+ gate_vma.vm_flags |= VM_ALWAYSDUMP;
return 0;
}
__initcall(gate_vma_init);
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