diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-03-04 10:29:19 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-03-04 10:29:19 -0300 |
| commit | d46eec8e975a8180e178e01ba505801c44bc9a6c (patch) | |
| tree | bff067e554fc03c576e107297085d30c8e381370 /lib/stackdepot.c | |
| parent | fdb64822443ec9fb8c3a74b598a74790ae8d2e22 (diff) | |
| parent | c395c3553d6870541f1c283479aea2a6f26364d5 (diff) | |
Merge remote-tracking branch 'acme/perf/urgent' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'lib/stackdepot.c')
| -rw-r--r-- | lib/stackdepot.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/stackdepot.c b/lib/stackdepot.c index ed717dd08ff3..81c69c08d1d1 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -83,15 +83,19 @@ static bool init_stack_slab(void **prealloc) return true; if (stack_slabs[depot_index] == NULL) { stack_slabs[depot_index] = *prealloc; + *prealloc = NULL; } else { - stack_slabs[depot_index + 1] = *prealloc; + /* If this is the last depot slab, do not touch the next one. */ + if (depot_index + 1 < STACK_ALLOC_MAX_SLABS) { + stack_slabs[depot_index + 1] = *prealloc; + *prealloc = NULL; + } /* * This smp_store_release pairs with smp_load_acquire() from * |next_slab_inited| above and in stack_depot_save(). */ smp_store_release(&next_slab_inited, 1); } - *prealloc = NULL; return true; } |