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authorIngo Molnar <mingo@elte.hu>2011-10-06 12:48:57 +0200
committerIngo Molnar <mingo@elte.hu>2011-10-06 12:49:21 +0200
commit9d014020234525ae100879d71078a4bcb4849195 (patch)
treea0d6c0776670cb876e5a8118a4e6ed28d8f51cbc /net/rds
parent92e51938f5d005026ba4bb5b1fae5a86dc195b86 (diff)
parent976d167615b64e14bc1491ca51d424e2ba9a5e84 (diff)
Merge commit 'v3.1-rc9' into perf/core
Merge reason: pick up latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/rds')
-rw-r--r--net/rds/iw_rdma.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 8b77edbab27..4e1de171866 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -84,7 +84,8 @@ static int rds_iw_map_fastreg(struct rds_iw_mr_pool *pool,
static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr);
static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
struct list_head *unmap_list,
- struct list_head *kill_list);
+ struct list_head *kill_list,
+ int *unpinned);
static void rds_iw_destroy_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr);
static int rds_iw_get_device(struct rds_sock *rs, struct rds_iw_device **rds_iwdev, struct rdma_cm_id **cm_id)
@@ -499,7 +500,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
LIST_HEAD(unmap_list);
LIST_HEAD(kill_list);
unsigned long flags;
- unsigned int nfreed = 0, ncleaned = 0, free_goal;
+ unsigned int nfreed = 0, ncleaned = 0, unpinned = 0, free_goal;
int ret = 0;
rds_iw_stats_inc(s_iw_rdma_mr_pool_flush);
@@ -524,7 +525,8 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
* will be destroyed by the unmap function.
*/
if (!list_empty(&unmap_list)) {
- ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list, &kill_list);
+ ncleaned = rds_iw_unmap_fastreg_list(pool, &unmap_list,
+ &kill_list, &unpinned);
/* If we've been asked to destroy all MRs, move those
* that were simply cleaned to the kill list */
if (free_all)
@@ -548,6 +550,7 @@ static int rds_iw_flush_mr_pool(struct rds_iw_mr_pool *pool, int free_all)
spin_unlock_irqrestore(&pool->list_lock, flags);
}
+ atomic_sub(unpinned, &pool->free_pinned);
atomic_sub(ncleaned, &pool->dirty_count);
atomic_sub(nfreed, &pool->item_count);
@@ -828,7 +831,8 @@ static void rds_iw_free_fastreg(struct rds_iw_mr_pool *pool,
static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
struct list_head *unmap_list,
- struct list_head *kill_list)
+ struct list_head *kill_list,
+ int *unpinned)
{
struct rds_iw_mapping *mapping, *next;
unsigned int ncleaned = 0;
@@ -855,6 +859,7 @@ static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
spin_lock_irqsave(&pool->list_lock, flags);
list_for_each_entry_safe(mapping, next, unmap_list, m_list) {
+ *unpinned += mapping->m_sg.len;
list_move(&mapping->m_list, &laundered);
ncleaned++;
}