is_swiotlb_allocated(9)

💖 is_swiotlb_allocated 💖

okay bestie, welcome to the Kernel API Manual — yes, that's the manual name, we're in kernel land now and honestly? it's giving backstage-pass energy 🎀 This little page is about is_swiotlb_allocated, which is a tiny function with one very specific job: checking if the default software IO TLB is initialized. That's it. That's the whole vibe check. ✨

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🌸 NAME 🌸

is_swiotlb_allocated — check if the default software IO TLB is initialized

like, that's literally her whole personality. she looks, she tells you yes or no, she moves on. no cap. 💅

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🦋 SYNOPSIS 🦋

bool is_swiotlb_allocated (void );

she takes nothing, she returns a bool. lowkey the most low-maintenance function in the whole kernel rn 🙈

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✨ ARGUMENTS ✨

• void — no arguments. none. zero. empty set. she doesn't want your parameters, she doesn't need your parameters, she's booked and busy and parameter-free 🫶

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🔥 SEE ALSO 🔥

okay this is the part where she tags all her mutuals, and there are a lot of them, so buckle up bestie 🎀

• Kernel file ./kernel/dma/swiotlb.c 👑
• struct io_tlb_slot(9)
• struct io_tlb_area(9)
• swiotlb_adjust_nareas(9)
• limit_nareas(9)
• add_mem_pool(9)
• alloc_dma_pages(9)
• swiotlb_alloc_tlb(9)
• swiotlb_free_tlb(9)
• swiotlb_alloc_pool(9)
• swiotlb_dyn_alloc(9)
• __swiotlb_find_pool(9)
• swiotlb_del_pool(9)
• swiotlb_dev_init(9)
• swiotlb_align_offset(9)
• swiotlb_search_pool_area(9)
• swiotlb_search_area(9)
• swiotlb_find_slots(9)
• mem_pool_used(9)
• mem_used(9)
• swiotlb_tbl_map_single(9)
• swiotlb_del_transient(9)
• default_swiotlb_base(9)
• default_swiotlb_limit(9)

fr fr that's the whole friend group, every single one of them, no skips, no cuts, iykyk 💜

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ngl the entire page is short and that's the point — but every option, every reference, every file path stays exactly as-is. we stan accuracy in this household 💅

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⭐ that's the page, bestie!! sourced from ./kernel/dma, dated October 2026, and honestly this whole manual page ate and left no crumbs 🌈💖 periodt 🎀