lkml.org 
[lkml]   [2017]   [Aug]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/3] iova: Use alloc_percpu_aligned()
Date
From: Huang Ying <ying.huang@intel.com>

To use the newly introduced alloc_percpu_aligned(), which can allocate
cache line size aligned percpu memory dynamically.

Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: iommu@lists.linux-foundation.org
---
drivers/iommu/iova.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 246f14c83944..83196f8e8fd5 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -698,7 +698,7 @@ static void init_iova_rcaches(struct iova_domain *iovad)
rcache = &iovad->rcaches[i];
spin_lock_init(&rcache->lock);
rcache->depot_size = 0;
- rcache->cpu_rcaches = __alloc_percpu(sizeof(*cpu_rcache), cache_line_size());
+ rcache->cpu_rcaches = alloc_percpu_aligned(*cpu_rcache);
if (WARN_ON(!rcache->cpu_rcaches))
continue;
for_each_possible_cpu(cpu) {
--
2.13.2
\
 
 \ /
  Last update: 2017-08-02 10:53    [W:0.152 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site