* [PATCH] rme96xx: fix PageReserved range
@ 2005-06-06 19:53 Hugh Dickins
0 siblings, 0 replies; only message in thread
From: Hugh Dickins @ 2005-06-06 19:53 UTC (permalink / raw)
To: Andrew Morton; +Cc: Guenter Geiger, linux-kernel
rme96xx busmaster_malloc miscalculates and fails to set PageReserved on
any page of char *buf; but busmaster_free does it right, so do the same
(I don't have the card, just noticed this while sifting for rmap BUGs).
Signed-off-by: Hugh Dickins <hugh@veritas.com>
---
sound/oss/rme96xx.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
--- 2.6.12-rc6/sound/oss/rme96xx.c 2005-03-02 07:38:55.000000000 +0000
+++ linux/sound/oss/rme96xx.c 2005-06-04 20:41:55.000000000 +0100
@@ -807,7 +807,7 @@ static void* busmaster_malloc(int size)
struct page* page, *last_page;
page = virt_to_page(buf);
- last_page = virt_to_page(buf + (1 << pg));
+ last_page = page + (1 << pg);
DBG(printk("setting reserved bit\n"));
while (page < last_page) {
SetPageReserved(page);
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