folio_test_pmd_mappable(9)

💖 NAME 💖

okay so bestie, this is folio_test_pmd_mappable(9) from the Kernel API Manual, and the name is literally the question: Can we map this folio with a PMD? That's the whole assignment. ✨

🦋 SYNOPSIS 🦋

bool folio_test_pmd_mappable (struct folio *folio );

🎀 ARGUMENTS 🎀

• folio — The folio to test. Just hand it over and let the function do its little vibe check. 💅

🌸 RETURN 🌸

It gives you back true - folio can be mapped, false - folio cannot be mapped. No in-between, no maybes, periodt. 👑

🌈 SEE ALSO 🌈

Kernel file ./include/linux/huge_mm.h — go peek if you're nosy (affectionate):

• thp_vma_allowable_orders(9)
• pmd_is_huge(9)
• pud_is_huge(9)
• largest_zero_folio(9)

mwah 💋 this icon was served up from source/version ./include/linux and dated October 2026. byeee 🫶