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The dsl_scan_visit() function is a little heavy weight taking 464 bytes on the stack. This can be easily reduced for little cost by moving zap_cursor_t and zap_attribute_t off the stack and on to the heap. After this change dsl_scan_visit() has been reduced in size by 320 bytes. This change was made to reduce stack usage in the dsl_scan_sync() callpath which is recursive and has been observed to overflow the stack. Issue #174 |
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