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docs: README, plan, guides and the site describe what is built now

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README: rewritten around what runs (Linux software, Xorg, apk, Linux's drivers), the honest gaps, measured numbers.
plan/: 1.0.md is the finish line, where each clause of the acceptance test stands, and the register (one failing
clause: a root that survives a reboot); built plans (foundations, hybrid, alpine, xorg) and the decided-against one
(wayland) are gone, their content lives in architecture/; roadmap.md is only what is still open.
guides: building/layout/testing/adding-a-driver (Linux code may be used). history: four entries (ls -lR, TLB
shootdowns, MDIO 0x02460246, netlink MSG_TRUNC). Website: cards, stack, download page, docs index.
Code comments that pointed at deleted plan docs point at the architecture docs.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EVRhxi9zpdW2uDUN4FVcao
This commit is contained in:
Nexoniarz 2026-10-26 08:08:05 +01:00
commit cb3d28e3d6
57 changed files with 685 additions and 2121 deletions
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2
kernel/sys/sys_mem.c
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@ -686,7 +686,7 @@ shm_detach(int id)
// or race to invent a key.
//
// It is the same segment machinery underneath, which is exactly what
// docs/plan/foundations.md proposed: shmget()'s pages, refcounts, no_free
// docs/architecture/kernel.md proposed: shmget()'s pages, refcounts, no_free
// VMAs and the fork/exit accounting are all already right. What memfd adds is
// a segment that starts empty and is sized by ftruncate(), and a file that
// owns one reference to it.