Only read szind if ptr is not paged aligned in sdallocx.

If ptr is not page aligned, we know the allocation was not sampled. In this case
use the size passed into sdallocx directly w/o accessing rtree.  This improve
sdallocx efficiency in the common case (not sampled && small allocation).

1 files changed, 22 insertions, 2 deletions

diff --git a/src/jemalloc.c b/src/jemalloc.c