kmsan_init_runtime(9)

💅 kmsan_init_runtime — a little intro, bestie

okay so real quick: this page lives in the kmsan_init_runtime(9) section of the Kernel API Manual, and it's literally just one function that gets KMSAN's whole situation set up and then flips KMSAN on. no cap. ✨

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🎀 NAME 🎀

kmsan_init_runtime — initialize the KMSAN state and enable KMSAN, periodt.

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🦋 SYNOPSIS 🦋

void kmsan_init_runtime (void );

that's it. that's the whole signature. cute, right?

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🌸 ARGUMENTS 🌸

• void — no arguments. none. zero. the function takes nothing and honestly? iconic behaviour. 💅

ngl this is the shortest arguments section i've ever seen and i'm obsessed with it 🫶

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👑 SEE ALSO 👑

okay bestie, buckle up, because this is the group chat and everyone's invited 🎉

Kernel file ./include/linux/kmsan.h — the main character file itself 💖

and then, in the order they show up:

• kmsan_task_create(9)
• kmsan_task_exit(9)
• kmsan_init_shadow(9)
• kmsan_memblock_free_pages(9)
• kmsan_alloc_page(9)
• kmsan_free_page(9)
• kmsan_copy_page_meta(9)
• kmsan_slab_alloc(9)
• kmsan_slab_free(9)
• kmsan_kmalloc_large(9)
• kmsan_kfree_large(9)
• kmsan_ioremap_page_range(9)
• kmsan_iounmap_page_range(9)
• kmsan_handle_dma(9)
• kmsan_handle_dma_sg(9)
• kmsan_handle_urb(9)
• kmsan_unpoison_entry_regs(9)
• kmsan_get_metadata(9)
• kmsan_enable_current(9)
• kmsan_disable_current(9)
• memset_no_sanitize_memory(9)

like… the whole KMSAN extended universe is in here fr fr 🌈 😭🔥

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quick vibe check: this page is sourced from ./include/linux, version-dated October 2026, and it's filed under kmsan_init_runtime(9) — that's the whole footer, but make it cute 🍓🧚💜

okay bye bestie, go initialize that runtime 💅✨🎀