Don't abort 1/2 way through chunk

luke-gruber · luke-gruber · commit 5c82e2e3fe8a · 2026-06-15T10:23:17.000-04:00
diff --git a/gc/default/default.c b/gc/default/default.c
@@ -5095,12 +5095,6 @@ gc_sweep_step_worker(rb_objspace_t *objspace, rb_heap_t *heap)
                 batch_tail = page;
             }
             batch_count++;
-
-            /* Halfway into a batch, do a cheap atomic peek at the abort flag.
-             * If a Ruby thread has raised it, drain what we have and bail */
-            if (batch_count == (chunk_sz / 2) && rbimpl_atomic_load(&objspace->background_sweep_abort, RBIMPL_ATOMIC_ACQUIRE)) {
-                break;
-            }
         }
 
         if (batch_head != NULL) {

Original file line number	Diff line number	Diff line change
`@@ -5095,12 +5095,6 @@ gc_sweep_step_worker(rb_objspace_t objspace, rb_heap_t heap)`
`5095`	`5095`	`batch_tail = page;`
`5096`	`5096`	`}`
`5097`	`5097`	`batch_count++;`
`5098`		`-`
`5099`		`- /* Halfway into a batch, do a cheap atomic peek at the abort flag.`
`5100`		`- * If a Ruby thread has raised it, drain what we have and bail */`
`5101`		`- if (batch_count == (chunk_sz / 2) && rbimpl_atomic_load(&objspace->background_sweep_abort, RBIMPL_ATOMIC_ACQUIRE)) {`
`5102`		`- break;`
`5103`		`- }`
`5104`	`5098`	`}`
`5105`	`5099`
`5106`	`5100`	`if (batch_head != NULL) {`