[PATCH] x86: don't ever allocate PTEs from lowmem
From: Vegard Nossum
Date: Mon Apr 21 2008 - 14:41:44 EST
The PSE feature can be non-present for other reasons than having
CONFIG_DEBUG_PAGEALLOC=y and may OOM for those cases too. Therefore, always
try to allocate PTEs from the normal bootmem pool before falling back to
lowmem.
This is an update of:
commit 509a80c49c512ac88bd67b981145f925a306111b
Author: Ingo Molnar <mingo@xxxxxxx>
Date: Wed Oct 17 18:04:34 2007 +0200
x86: fix CONFIG_PAGEALLOC related boot hangs/OOMs
Signed-off-by: Vegard Nossum <vegard.nossum@xxxxxxxxx>
---
arch/x86/mm/init_32.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index ee1091a..d3a411b 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -91,9 +91,7 @@ static pte_t * __init one_page_table_init(pmd_t *pmd)
if (!(pmd_val(*pmd) & _PAGE_PRESENT)) {
pte_t *page_table = NULL;
-#ifdef CONFIG_DEBUG_PAGEALLOC
page_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
-#endif
if (!page_table) {
page_table =
(pte_t *)alloc_bootmem_low_pages(PAGE_SIZE);
--
1.5.4.1
--
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