Fix several typos in the comments

src/arena.c

@@ -18,7 +18,7 @@ JEMALLOC_DIAGNOSTIC_DISABLE_SPURIOUS
 /* Data. */
 
 /*
- * Define names for both unininitialized and initialized phases, so that
+ * Define names for both uninitialized and initialized phases, so that
  * options and mallctl processing are straightforward.
  */
 const char *const percpu_arena_mode_names[] = {
@@ -44,7 +44,7 @@ static unsigned nbins_total;
 
 /*
  * a0 is used to handle huge requests before malloc init completes. After
- * that,the huge_arena_ind is updated to point to the actual huge arena,
+ * that, the huge_arena_ind is updated to point to the actual huge arena,
  * which is the last one of the auto arenas.
  */
 unsigned  huge_arena_ind = 0;

src/hpa.c

@@ -46,7 +46,7 @@ hpa_supported(void) {
 		return false;
 	}
 	/*
-	 * We fundamentally rely on a address-space-hungry growth strategy for
+	 * We fundamentally rely on an address-space-hungry growth strategy for
 	 * hugepages.
 	 */
 	if (LG_SIZEOF_PTR != 3) {

src/jemalloc.c

@@ -43,7 +43,7 @@ const char *je_malloc_conf
  * setting, which gets lower priority than the environment settings).
  *
  * But it's a fairly common use case in some testing environments for a user to
- * be able to control the binary, but nothing else (e.g. a performancy canary
+ * be able to control the binary, but nothing else (e.g. a performance canary
  * uses the production OS and environment variables, but can run any binary in
  * those circumstances).  For these use cases, it's handy to have an in-binary
  * mechanism for overriding environment variable settings, with the idea that if