hugetlb_linear_page_index(9)

✨ hugetlb_linear_page_index 💅

okay so bestie, quick vibe check: this is a page from the Kernel API Manual 🎀 and it's about hugetlb_linear_page_index — literally linear_page_index() but in hugetlb page size granularity. that's the whole personality. that's the whole function. iykyk 🦋

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✨ NAME ✨

hugetlb_linear_page_index — it's linear_page_index() but in hugetlb page size granularity, no cap 🫶

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✨ SYNOPSIS ✨

pgoff_t hugetlb_linear_page_index (struct vm_area_struct *vma , unsigned
long address );

look at her. immaculate signature. not a single character out of place 💅✨

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✨ ARGUMENTS ✨

• vma — the hugetlb VMA 👑 like, the actual virtual memory area we're talking about here
• address — the virtual address within the VMA 📍 the one you're asking about, bestie

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✨ RETURN ✨

it hands you back the page offset within the mapping in huge page units ⭐ that's the return value. pgoff_t. slay.

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🌈 SEE ALSO 🌈

• Kernel file ./include/linux/hugetlb.h — go read it, fr fr 📖🦋

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💀 lowkey reminder: this whole page is tiny but every single word of it matters, so don't skip the granularity part. it's giving "small but iconic."

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and that's the whole page, bestie!! 🎀 signed off from ./include/linux with a big fat October 2026 date stamp on it — periodt. 💜🌸