free_qpn_table(9)

💅 free_qpn_table — the Kernel API Manual, but make it cute

okay so bestie, this is free_qpn_table from the kernel API manual (section 9, the kernel developer pages, iykyk). It's a tiny little function with one big job: free the QP number table for a device. That's it, that's the whole vibe. ✨

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🌸 NAME 🌸

free_qpn_table — literally just frees the QP number table for a device. Short queen behaviour, we love to see it. 👑

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🎀 SYNOPSIS 🎀

void free_qpn_table (struct rvt_qpn_table *qpt );

No return value, no drama, just vibes and deallocation. 💅

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🦋 ARGUMENTS 🦋

• qpt — the QPN table. That's the one getting freed, bestie. Hand it over and it's handled. 🫶

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🌈 SEE ALSO 🌈

Lowkey the biggest friend group in the whole manual, fr fr. The kernel file lives at ./drivers/infiniband/sw/rdmavt/qp.c and the squad is:

• init_qpn_table(9) — the setup queen, the one who starts it all 💖
• rvt_driver_qp_init(9)
• rvt_free_qp_cb(9)
• rvt_free_all_qps(9)
• rvt_qp_exit(9)
• alloc_qpn(9)
• rvt_clear_mr_refs(9)
• rvt_swqe_has_lkey(9)
• rvt_qp_sends_has_lkey(9)
• rvt_qp_acks_has_lkey(9)
• rvt_qp_mr_clean(9)
• rvt_remove_qp(9)
• rvt_alloc_rq(9)
• rvt_init_qp(9)
• _rvt_reset_qp(9)
• rvt_reset_qp(9)
• rvt_free_qpn(9)
• get_allowed_ops(9)
• free_ud_wq_attr(9)
• alloc_ud_wq_attr(9)
• rvt_create_qp(9)
• rvt_error_qp(9)
• rvt_modify_qp(9)
• rvt_destroy_qp(9)
• rvt_query_qp(9)
• rvt_post_recv(9)
• rvt_qp_valid_operation(9)
• rvt_qp_is_avail(9)
• rvt_post_one_wr(9)
• rvt_post_send(9)
• rvt_post_srq_recv(9)
• get_rvt_head(9)
• rvt_get_rwqe(9)
• rvt_comm_est(9)
• rvt_add_rnr_timer(9)
• rvt_stop_rc_timers(9)
• rvt_stop_rnr_timer(9)
• rvt_del_timers_sync(9)
• rvt_qp_iter_init(9)
• rvt_qp_iter_next(9)
• rvt_qp_iter(9)
• rvt_copy_sge(9)
• rvt_ruc_loopback(9)

ngl that's a long list, but they're all part of the rdmavt QP saga and you should absolutely go read them. main character energy, every single one. 🌟

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cute little sign-off 🎀

This page lives in ./drivers/infiniband/sw/rdmavt, dated October 2026, and it's free_qpn_table(9) all day every day. Slay, stay hydrated, and always free your tables. 💜🦋✨