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Subject[ANNOUNCE] v5.15.2-rt19
Dear RT folks!

I'm pleased to announce the v5.15.2-rt19 patch set.

Changes since v5.15.2-rt18:

- Remove an unused variable in mm/ so that the compiler so there is
neither a warning from the compiler nor a complaint from the bot.
Reported by kernel test robot <lkp@intel.com>.

Known issues
- netconsole triggers WARN.

- The "Memory controller" (CONFIG_MEMCG) has been disabled.

- Valentin Schneider reported a few splats on ARM64, see
https://lkml.kernel.org/r/20210810134127.1394269-1-valentin.schneider@arm.com

The delta patch against v5.15.2-rt18 is appended below and can be found here:

https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.15/incr/patch-5.15.2-rt18-rt19.patch.xz

You can get this release via the git tree at:

git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git v5.15.2-rt19

The RT patch against v5.15.2 can be found here:

https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.15/older/patch-5.15.2-rt19.patch.xz

The split quilt queue is available at:

https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.15/older/patches-5.15.2-rt19.tar.xz

Sebastian

diff --git a/localversion-rt b/localversion-rt
index 9e7cd66d9f44f..483ad771f201a 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt18
+-rt19
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index eb714f00c1342..3c5be440ab303 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1881,7 +1881,7 @@ static void *new_vmap_block(unsigned int order, gfp_t gfp_mask)
struct vmap_block *vb;
struct vmap_area *va;
unsigned long vb_idx;
- int node, err, cpu;
+ int node, err;
void *vaddr;

node = numa_node_id();
@@ -1918,7 +1918,7 @@ static void *new_vmap_block(unsigned int order, gfp_t gfp_mask)
return ERR_PTR(err);
}

- cpu = get_cpu_light();
+ get_cpu_light();
vbq = this_cpu_ptr(&vmap_block_queue);
spin_lock(&vbq->lock);
list_add_tail_rcu(&vb->free_list, &vbq->free);
@@ -1988,7 +1988,6 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
struct vmap_block *vb;
void *vaddr = NULL;
unsigned int order;
- int cpu;

BUG_ON(offset_in_page(size));
BUG_ON(size > PAGE_SIZE*VMAP_MAX_ALLOC);
@@ -2003,7 +2002,7 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
order = get_order(size);

rcu_read_lock();
- cpu = get_cpu_light();
+ get_cpu_light();
vbq = this_cpu_ptr(&vmap_block_queue);
list_for_each_entry_rcu(vb, &vbq->free, free_list) {
unsigned long pages_off;
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