Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b52a8b7f0aeff5b91921cd53728ac781cdb4cccf
Commit: b52a8b7f0aeff5b91921cd53728ac781cdb4cccf
Parent: f761fae1ae1e6e35ae15fce99d225d08d6cff1e7
Author: Brice Goglin <[EMAIL PROTECTED]>
AuthorDate: Wed Mar 21 19:46:57 2007 +0100
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Fri Mar 23 01:48:35 2007 -0400
myri10ge: fix management of >4kB allocated pages
Fix management of allocated physical pages when the architecture
page size is not 4kB since the firmware cannot cross 4K boundary.
Signed-off-by: Brice Goglin <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/net/myri10ge/myri10ge.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 2449b9f..c89ca3f 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -905,6 +905,14 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct
myri10ge_rx_buf *rx,
(rx->page_offset + bytes <= MYRI10GE_ALLOC_SIZE)) {
/* we can use part of previous page */
get_page(rx->page);
+#if MYRI10GE_ALLOC_SIZE > 4096
+ /* Firmware cannot cross 4K boundary.. */
+ if ((rx->page_offset >> 12) !=
+ ((rx->page_offset + bytes - 1) >> 12)) {
+ rx->page_offset =
+ (rx->page_offset + bytes) & ~4095;
+ }
+#endif
} else {
/* we need a new page */
page =
-
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