* [PATCH] RDMA/amso1100: use offset_in_page macro
@ 2015-10-03 3:00 Geliang Tang
0 siblings, 0 replies; only message in thread
From: Geliang Tang @ 2015-10-03 3:00 UTC (permalink / raw)
To: Doug Ledford, Sean Hefty, Hal Rosenstock, Greg Kroah-Hartman,
Steve Wise, Ira Weiny, Matan Barak, Jason Gunthorpe,
Michael Wang, Haggai Eran
Cc: Geliang Tang, linux-rdma, devel, linux-kernel
Use offset_in_page macro instead of (addr & ~PAGE_MASK).
Signed-off-by: Geliang Tang <geliangtang@163.com>
---
drivers/staging/rdma/amso1100/c2_alloc.c | 2 +-
drivers/staging/rdma/amso1100/c2_provider.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rdma/amso1100/c2_alloc.c b/drivers/staging/rdma/amso1100/c2_alloc.c
index 78d247e..039872d 100644
--- a/drivers/staging/rdma/amso1100/c2_alloc.c
+++ b/drivers/staging/rdma/amso1100/c2_alloc.c
@@ -131,7 +131,7 @@ void c2_free_mqsp(__be16 *mqsp)
*mqsp = (__force __be16) head->head;
/* Compute the shared_ptr index */
- idx = ((unsigned long) mqsp & ~PAGE_MASK) >> 1;
+ idx = (offset_in_page(mqsp)) >> 1;
idx -= (unsigned long) &(((struct sp_chunk *) 0)->shared_ptr[0]) >> 1;
/* Point this index at the head */
diff --git a/drivers/staging/rdma/amso1100/c2_provider.c b/drivers/staging/rdma/amso1100/c2_provider.c
index 25c3f00..956d76b 100644
--- a/drivers/staging/rdma/amso1100/c2_provider.c
+++ b/drivers/staging/rdma/amso1100/c2_provider.c
@@ -359,7 +359,7 @@ static struct ib_mr *c2_reg_phys_mr(struct ib_pd *ib_pd,
for (i = 0; i < num_phys_buf; i++) {
- if (buffer_list[i].addr & ~PAGE_MASK) {
+ if (offset_in_page(buffer_list[i].addr)) {
pr_debug("Unaligned Memory Buffer: 0x%x\n",
(unsigned int) buffer_list[i].addr);
return ERR_PTR(-EINVAL);
--
2.5.0
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2015-10-03 3:00 [PATCH] RDMA/amso1100: use offset_in_page macro Geliang Tang
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