📝 Operating_Systems

Haiku gets new guarded heap for the kernel

BLOG ARTICLE Published on November 14, 2025

Written by Thom Holwerda

Source: OSnews 1 min read intermediate

Summary

Another month, another Haiku activity report, and this time we’ve got a major change under the hood: a brand new guarded heap. The old guarded heap was suboptimal and had started to lag behind, so the new one attempts to rectify some of these shortcomings. So, to rectify these limitations, I rewrote the kernel guarded heap more or less from scratch, taking the old code into account where it made sense but otherwise creating entirely new bookkeeping structures, interacting directly with ...

#haiku
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