resize_buckets(9)

💅 resize_buckets(9) — like, the kernel API manual page, bestie

okay so this is resize_buckets(9), straight out of the kernel API manual, and it's literally the glow-up episode for your hash map ✨

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🌸 NAME 🌸

resize_buckets — increase the number of hash buckets. that's it. that's the whole vibe. more buckets, more room, she's expanding her brand 💖

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🎀 SYNOPSIS 🎀

int resize_buckets (struct int_map *map );

yes the spacing in there is exactly like that, don't @ me, copy it verbatim periodt 🫶

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✨ ARGUMENTS ✨

• map — the map to resize. this one. the int map in question. she's the main character of this whole operation 💅

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🦋 DESCRIPTION 🦋

so what actually happens? resize_buckets resizes and rehashes all the existing entries, storing them in the new buckets. like a whole closet reorganisation but for hashes 🧚

no cap — every single entry gets moved and rehashed. none of them are getting left behind. slay.

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🌈 RETURN 🌈

VDO_SUCCESS or an error code. so like… either she ate, or something went wrong and you get an error code back 😭 check it, fr fr.

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👑 SEE ALSO 👑

Kernel file ./drivers/md/dm-vdo/int-map.c — plus the whole squad:

• Introduction(9)
• struct bucket(9)
• struct int_map(9)
• mix(9)
• hash_key(9)
• allocate_buckets(9)
• vdo_int_map_create(9)
• vdo_int_map_free(9)
• vdo_int_map_size(9)
• dereference_hop(9)
• insert_in_hop_list(9)
• select_bucket(9)
• search_hop_list(9)
• vdo_int_map_get(9)
• find_empty_bucket(9)
• move_empty_bucket(9)
• update_mapping(9)
• find_or_make_vacancy(9)
• vdo_int_map_put(9)
• vdo_int_map_remove(9)

like, the whole friend group, honestly 💜

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and that's the page! brought to you by ./drivers/md/dm-vdo, dated October 2026 — see you in the next man page, bestie, mwah 🎀✨