STRUCT KSM_SCAN(9)

✨ struct ksm_scan(9) ✨

okay bestie, welcome to the Kernel API Manual 💖 this one's a little struct called ksm_scan and honestly? it's giving main character energy for the whole scan loop. let's get into it 🎀

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🌸 NAME 🌸

struct ksm_scan — literally just a cursor for scanning 🖱️✨

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🦋 SYNOPSIS 🦋

struct ksm_scan {
    struct ksm_mm_slot *mm_slot;
    unsigned long address;
    struct ksm_rmap_item **rmap_list;
    unsigned long seqnr;
 };

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💅 Members 💅

• mm_slot — the current mm_slot we are scanning, like the one we're on rn 👀
• address — the next address inside that to be scanned, i.e. where we're headed next 🗺️
• rmap_list — link to the next rmap to be scanned in the rmap_list, the whole chain sitch 🔗
• seqnr — count of completed full scans (needed when removing unstable node) 🔢 no cap, this one matters when unstable nodes are getting yeeted

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⭐ Description ⭐

There is only the one ksm_scan instance of this cursor structure. one. single. icon. 👑 not a crowd, not a collection, just the one, periodt 💀

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🌈 SEE ALSO 🌈

• Kernel file ./mm/ksm.c Overview(9)
• struct ksm_mm_slot(9)
• struct ksm_stable_node(9)
• struct ksm_rmap_item(9)
• struct advisor_ctx(9)
• replace_page(9)
• ksm_do_scan(9)
• ksm_vma_flags(9)
• ksm_enable_merge_any(9)
• ksm_disable_merge_any(9)

go read them, they're all iconique 🫶

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💖 and that's the whole page bestie, no filler, no gatekeeping, every member accounted for ✨

okay so this lives in ./mm, and it's stamped October 2026 — so mark your calendars fr fr 🗓️💜 love u, bye! 🧚‍♀️🌸