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authorPekka Enberg <penberg@cs.helsinki.fi>2009-03-05 14:55:00 +0200
committerIngo Molnar <mingo@elte.hu>2009-03-05 14:17:14 +0100
commitd58e854e36ddf241ebc243e4122c5ab087bf38df (patch)
tree1bf3a79268a9cd68a05536a47360b042730b911c /arch/x86/mm
parentcbba65796df99f3ca9bf70d14e5a19384c54b6a1 (diff)
x86: add table start and end sanity checks to 32-bit init_memory_mapping()
Impact: cleanup This patch adds a sanity check to the 32-bit version of init_memory_mapping() to reduce the diff to the 64-bit version. Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Yinghai Lu <yinghai@kernel.org> LKML-Reference: <1236257708-27269-9-git-send-email-penberg@cs.helsinki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/init_32.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 00c1d850825..0a3707fb973 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -1060,7 +1060,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
__flush_tlb_all();
- if (!after_bootmem)
+ if (!after_bootmem && table_end > table_start)
reserve_early(table_start << PAGE_SHIFT,
table_end << PAGE_SHIFT, "PGTABLE");