trace_ksm_remove_rmap_item(9)

💅 trace_ksm_remove_rmap_item(9) — a Kernel API Manual moment

okay bestie, welcome to section 9 of the Kernel API Manual, and yes we're literally talking about trace_ksm_remove_rmap_item today 🎀

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✨ NAME ✨

trace_ksm_remove_rmap_item — the hook that fires after an rmap_item has been yeeted out of the stable tree 🌸

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🦋 SYNOPSIS 🦋

void trace_ksm_remove_rmap_item (unsigned long pfn , void *rmap_item ,
void *mm );

that's the whole signature bestie, no cap 🫶

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💖 ARGUMENTS 💖

• pfn — the page frame number of the ksm page. like, which page we're talking about 📄
• rmap_item — the address of the rmap_item object. the actual star of the show ✨
• mm — the address of the process mm struct. hi bestie's memory map 👋

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🔥 DESCRIPTION 🔥

so basically this one lets you trace the removal of pages from the stable tree list 👑 it's giving "watch the page leave the party" energy and honestly? iconic.

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🌈 SEE ALSO 🌈

• Kernel file ./include/trace/events/ksm.h
• trace_ksm_start_scan(9)
• trace_ksm_stop_scan(9)
• trace_ksm_enter(9)
• trace_ksm_exit(9)
• trace_ksm_merge_one_page(9)
• trace_ksm_merge_with_ksm_page(9)
• trace_ksm_remove_ksm_page(9)
• trace_ksm_advisor(9)

the whole ksm trace squad fr fr, go read them all 💜

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aaand that's the page! this little love letter lives in ./include/trace/events, dated October 2026, and it's filed under trace_ksm_remove_rmap_item(9) in case you need to find it again 🎀 mwah, go trace some pages bestie 💅✨