Commit 376fad71 authored by Simon Marlow's avatar Simon Marlow

Only allocate a mark stack if we're actually doing marking

saves a bit of memory in major GCs
parent 7ebf1a69
......@@ -289,7 +289,7 @@ GarbageCollect ( rtsBool force_major_gc )
/* Allocate a mark stack if we're doing a major collection.
*/
if (major_gc) {
if (major_gc && oldest_gen->steps[0].mark) {
nat mark_stack_blocks;
mark_stack_blocks = stg_max(MARK_STACK_BLOCKS,
oldest_gen->steps[0].n_old_blocks / 100);
......
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