https://pablogs.dev/series/memory-allocation-and-gc-from-scratch/Recent content in Memory Allocation and GC From Scratch on Void *PablogsHugoenSun, 24 May 2026 00:00:00 +0000https://pablogs.dev/posts/post-01-no-malloc/Sun, 24 May 2026 00:00:00 +0000https://pablogs.dev/posts/post-01-no-malloc/<p><em>Post 1 of 13 — Series: Memory Allocation and Garbage Collection from Scratch</em></p> <p>Every time you write <code>malloc(128)</code>, something apparently magical happens: the runtime hands you a pointer to 128 bytes of memory nobody else is using. You didn&rsquo;t ask the operating system for permission. You didn&rsquo;t specify <em>where</em> those bytes should live. They simply appeared. And when you call <code>free()</code>, they vanish back into the void.</p> <p>The magic is a lie.</p>