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authorDavid S. Miller <davem@davemloft.net>2017-03-23 15:11:56 -0700
committerDavid S. Miller <davem@davemloft.net>2017-03-23 16:41:27 -0700
commit16ae1f223601c44e5cb65c99257ffae003504704 (patch)
tree1f5284c0e82e4d94ca07eb022fa7911d99bb0cb6 /mm
parent6f359f99b8c2ff3b09329611da00fe39a7c10e7e (diff)
parentd038e3dcfff6e3de132726a9c7174d8170032aa4 (diff)
downloadlinux-16ae1f223601c44e5cb65c99257ffae003504704.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/broadcom/genet/bcmmii.c drivers/net/hyperv/netvsc.c kernel/bpf/hashtab.c Almost entirely overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory_hotplug.c6
-rw-r--r--mm/swap_slots.c2
-rw-r--r--mm/vmalloc.c3
-rw-r--r--mm/z3fold.c1
4 files changed, 8 insertions, 4 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 295479b792ec..6fa7208bcd56 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -125,9 +125,12 @@ void put_online_mems(void)
}
+/* Serializes write accesses to mem_hotplug.active_writer. */
+static DEFINE_MUTEX(memory_add_remove_lock);
+
void mem_hotplug_begin(void)
{
- assert_held_device_hotplug();
+ mutex_lock(&memory_add_remove_lock);
mem_hotplug.active_writer = current;
@@ -147,6 +150,7 @@ void mem_hotplug_done(void)
mem_hotplug.active_writer = NULL;
mutex_unlock(&mem_hotplug.lock);
memhp_lock_release();
+ mutex_unlock(&memory_add_remove_lock);
}
/* add this memory to iomem resource */
diff --git a/mm/swap_slots.c b/mm/swap_slots.c
index 9b5bc86f96ad..b1ccb58ad397 100644
--- a/mm/swap_slots.c
+++ b/mm/swap_slots.c
@@ -267,8 +267,6 @@ int free_swap_slot(swp_entry_t entry)
{
struct swap_slots_cache *cache;
- BUG_ON(!swap_slot_cache_initialized);
-
cache = &get_cpu_var(swp_slots);
if (use_swap_slot_cache && cache->slots_ret) {
spin_lock_irq(&cache->free_lock);
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 0dd80222b20b..0b057628a7ba 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1683,7 +1683,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
if (fatal_signal_pending(current)) {
area->nr_pages = i;
- goto fail;
+ goto fail_no_warn;
}
if (node == NUMA_NO_NODE)
@@ -1709,6 +1709,7 @@ fail:
warn_alloc(gfp_mask, NULL,
"vmalloc: allocation failure, allocated %ld of %ld bytes",
(area->nr_pages*PAGE_SIZE), area->size);
+fail_no_warn:
vfree(area->addr);
return NULL;
}
diff --git a/mm/z3fold.c b/mm/z3fold.c
index 8970a2fd3b1a..f9492bccfd79 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -667,6 +667,7 @@ next:
z3fold_page_unlock(zhdr);
spin_lock(&pool->lock);
if (kref_put(&zhdr->refcount, release_z3fold_page)) {
+ spin_unlock(&pool->lock);
atomic64_dec(&pool->pages_nr);
return 0;
}