PMAP_IS_PREFAULTABLE(9)

🌸 NAME 🌸

okay bestie, welcome to PMAP_IS_PREFAULTABLE(9) from the Kernel Developer's Manual ✨ this page is all about determining if a page may be prefaulted — literally the vibe check for whether a page can get pre-faulted, no cap 💅

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✨ SYNOPSIS ✨

#include <sys/param.h>
#include <vm/vm.h>
#include <vm/pmap.h>

bool
pmap_is_prefaultable(pmap_t pmap, vm_offset_t va);

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💖 DESCRIPTION 💖

so the pmap_is_prefaultable() function is your lil' helper for determining if the page residing at virtual address va in the physical map pmap may be pre-faulted into main memory 🫶 like, that's the whole assignment, and it ate 🔥

it's giving helper-function energy because it gets called by vm_fault_prefault(9) — iykyk 😌

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🦋 SEE ALSO 🦋

• pmap(9)
• vm_fault_prefault(9)

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🎀 AUTHORS 🎀

this manual page was written by Bruce M Simpson <bms@spc.org> 💖 iconic behavior, honestly 👑

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xoxo 💅 this cutie comes from the Debian edition of the page, dated July 21, 2003, and its label is PMAP_IS_PREFAULTABLE(9) — byeeeee 🫶🌷