kmsan_memblock_free_pages(9)

💅 kmsan_memblock_free_pages(9) — Kernel API Manual 💅

✨ NAME ✨

kmsan_memblock_free_pages - handle freeing of memblock pages. that's the name, bestie, and it's iconic. 🫶

💖 SYNOPSIS 💖

okay so the signature is literally this:

       bool kmsan_memblock_free_pages (struct page *page , unsigned int order
       );

🎀 ARGUMENTS 🎀

• page — struct page to free. the page you're freeing, she's the main character here. 💅
• order — order of page. the order, no cap. ✨

🦋 DESCRIPTION 🦋

here's the tea: freed pages are either returned to buddy allocator or held back to be used as metadata pages. that's the whole vibe — no extra lore, that's literally it. 💖

🌈 SEE ALSO 🌈

this all lives around the kernel file ./include/linux/kmsan.h, and these are the related pages you should also check out, fr fr:

• kmsan_task_create(9)
• kmsan_task_exit(9)
• kmsan_init_shadow(9)
• kmsan_init_runtime(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)

mwah 💋 — from ./include/linux, October 2026, on the kmsan_memblock_free_pages(9) page in the Kernel API Manual. periodt. 🌟