If bit waitqueue is passed a virtual address then it must use
vmalloc_to_page instead of virt_to_page to get to the page struct.
Signed-off-by: Christoph Lameter <[EMAIL PROTECTED]>
---
kernel/wait.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6/kernel/wait.c
===================================================================
--- linux-2.6.orig/kernel/wait.c 2007-09-20 19:03:42.000000000 -0700
+++ linux-2.6/kernel/wait.c 2007-09-20 19:07:42.000000000 -0700
@@ -245,7 +245,7 @@ EXPORT_SYMBOL(wake_up_bit);
fastcall wait_queue_head_t *bit_waitqueue(void *word, int bit)
{
const int shift = BITS_PER_LONG == 32 ? 5 : 6;
- const struct zone *zone = page_zone(virt_to_page(word));
+ const struct zone *zone = page_zone(addr_to_page(word));
unsigned long val = (unsigned long)word << shift | bit;
return &zone->wait_table[hash_long(val, zone->wait_table_bits)];
--
-
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