Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) Buffers powersave frame test is reversed in cfg80211, fix from Felix
    Fietkau.

 2) Remove bogus WARN_ON in openvswitch, from Jarno Rajahalme.

 3) Fix some tg3 ethtool logic bugs, and one that would cause no
    interrupts to be generated when rx-coalescing is set to 0.  From
    Satish Baddipadige and Siva Reddy Kallam.

 4) QLCNIC mailbox corruption and napi budget handling fix from Manish
    Chopra.

 5) Fix fib_trie logic when walking the trie during /proc/net/route
    output than can access a stale node pointer.  From David Forster.

 6) Several sctp_diag fixes from Phil Sutter.

 7) PAUSE frame handling fixes in mlxsw driver from Ido Schimmel.

 8) Checksum fixup fixes in bpf from Daniel Borkmann.

 9) Memork leaks in nfnetlink, from Liping Zhang.

10) Use after free in rxrpc, from David Howells.

11) Use after free in new skb_array code of macvtap driver, from Jason
    Wang.

12) Calipso resource leak, from Colin Ian King.

13) mediatek bug fixes (missing stats sync init, etc.) from Sean Wang.

14) Fix bpf non-linear packet write helpers, from Daniel Borkmann.

15) Fix lockdep splats in macsec, from Sabrina Dubroca.

16) hv_netvsc bug fixes from Vitaly Kuznetsov, mostly to do with VF
    handling.

17) Various tc-action bug fixes, from CONG Wang.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (116 commits)
  net_sched: allow flushing tc police actions
  net_sched: unify the init logic for act_police
  net_sched: convert tcf_exts from list to pointer array
  net_sched: move tc offload macros to pkt_cls.h
  net_sched: fix a typo in tc_for_each_action()
  net_sched: remove an unnecessary list_del()
  net_sched: remove the leftover cleanup_a()
  mlxsw: spectrum: Allow packets to be trapped from any PG
  mlxsw: spectrum: Unmap 802.1Q FID before destroying it
  mlxsw: spectrum: Add missing rollbacks in error path
  mlxsw: reg: Fix missing op field fill-up
  mlxsw: spectrum: Trap loop-backed packets
  mlxsw: spectrum: Add missing packet traps
  mlxsw: spectrum: Mark port as active before registering it
  mlxsw: spectrum: Create PVID vPort before registering netdevice
  mlxsw: spectrum: Remove redundant errors from the code
  mlxsw: spectrum: Don't return upon error in removal path
  i40e: check for and deal with non-contiguous TCs
  ixgbe: Re-enable ability to toggle VLAN filtering
  ixgbe: Force VLNCTRL.VFE to be set in all VMDq paths
  ...

2 files changed, 10 insertions, 5 deletions

diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index 5d845ff..5ba520b 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -30,7 +30,7 @@
 
 #define HASH_DEFAULT_SIZE	64UL
 #define HASH_MIN_SIZE		4U
-#define BUCKET_LOCKS_PER_CPU   128UL
+#define BUCKET_LOCKS_PER_CPU	32UL
 
 static u32 head_hashfn(struct rhashtable *ht,
 		       const struct bucket_table *tbl,
@@ -70,7 +70,7 @@ static int alloc_bucket_locks(struct rhashtable *ht, struct bucket_table *tbl,
 	unsigned int nr_pcpus = num_possible_cpus();
 #endif
 
-	nr_pcpus = min_t(unsigned int, nr_pcpus, 32UL);
+	nr_pcpus = min_t(unsigned int, nr_pcpus, 64UL);
 	size = roundup_pow_of_two(nr_pcpus * ht->p.locks_mul);
 
 	/* Never allocate more than 0.5 locks per bucket */
@@ -83,6 +83,9 @@ static int alloc_bucket_locks(struct rhashtable *ht, struct bucket_table *tbl,
 			tbl->locks = vmalloc(size * sizeof(spinlock_t));
 		else
 #endif
+		if (gfp != GFP_KERNEL)
+			gfp |= __GFP_NOWARN | __GFP_NORETRY;
+
 		tbl->locks = kmalloc_array(size, sizeof(spinlock_t),
 					   gfp);
 		if (!tbl->locks)
@@ -321,12 +324,14 @@ static int rhashtable_expand(struct rhashtable *ht)
 static int rhashtable_shrink(struct rhashtable *ht)
 {
 	struct bucket_table *new_tbl, *old_tbl = rht_dereference(ht->tbl, ht);
-	unsigned int size;
+	unsigned int nelems = atomic_read(&ht->nelems);
+	unsigned int size = 0;
 	int err;
 
 	ASSERT_RHT_MUTEX(ht);
 
-	size = roundup_pow_of_two(atomic_read(&ht->nelems) * 3 / 2);
+	if (nelems)
+		size = roundup_pow_of_two(nelems * 3 / 2);
 	if (size < ht->p.min_size)
 		size = ht->p.min_size;
 
diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index 297fdb5..64e899b 100644
--- a/lib/test_rhashtable.c
+++ b/lib/test_rhashtable.c
@@ -38,7 +38,7 @@ MODULE_PARM_DESC(runs, "Number of test runs per variant (default: 4)");
 
 static int max_size = 0;
 module_param(max_size, int, 0);
-MODULE_PARM_DESC(runs, "Maximum table size (default: calculated)");
+MODULE_PARM_DESC(max_size, "Maximum table size (default: calculated)");
 
 static bool shrinking = false;
 module_param(shrinking, bool, 0);