KERNPG_TABLE was a bug in earlier patch. Remove it from pte.
pte_val() check is redundant as this routine is called immediately after a
ptepage is allocated afresh.
Signed-off-by: Venkatesh Pallipadi <[EMAIL PROTECTED]>
Signed-off-by: Suresh Siddha <[EMAIL PROTECTED]>
Index: linux-2.6.git/arch/x86/mm/init_64.c
===================================================================
--- linux-2.6.git.orig/arch/x86/mm/init_64.c 2008-01-15 11:02:23.000000000
-0800
+++ linux-2.6.git/arch/x86/mm/init_64.c 2008-01-15 11:06:37.000000000 -0800
@@ -541,9 +541,6 @@
if (address >= end)
break;
- if (pte_val(*pte))
- continue;
-
/* Nothing to map. Map the null page */
if (!(address & (~PAGE_MASK)) &&
(address + PAGE_SIZE <= end) &&
@@ -561,9 +558,9 @@
}
if (exec)
- entry = _PAGE_NX|_KERNPG_TABLE|_PAGE_GLOBAL|address;
+ entry = _PAGE_NX|_PAGE_GLOBAL|address;
else
- entry = _KERNPG_TABLE|_PAGE_GLOBAL|address;
+ entry = _PAGE_GLOBAL|address;
entry &= __supported_pte_mask;
set_pte(pte, __pte(entry));
}
--
--
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