rvt_alloc_mr(9)

💖 rvt_alloc_mr(9) 💖

okay so bestie, welcome to the Kernel API Manual page for rvt_alloc_mr(9). This one is short and sweet, and yes the NAME line ends on a cliffhanger. We are keeping it exactly as it is. 🎀

🌸 NAME 🌸

rvt_alloc_mr — Allocate a memory region usable with the

(no cap, the original text literally stops at "the"; don't come for me, I'm just the messenger 💅)

✨ SYNOPSIS ✨

struct ib_mr * rvt_alloc_mr (struct ib_pd *pd , enum ib_mr_type
, u32 max_num_sg );

🫶 ARGUMENTS 🫶

• pd — protection domain for this memory region
• mr_type — mem region type
• max_num_sg — Max number of segments allowed

🔥 RETURN 🔥

the memory region on success, otherwise return an errno.

🦋 SEE ALSO 🦋

Kernel file: ./drivers/infiniband/sw/rdmavt/mr.c

The whole function bestie lineup is:

• rvt_driver_mr_init(9)
• rvt_mr_exit(9)
• rvt_alloc_lkey(9)
• rvt_free_lkey(9)
• rvt_get_dma_mr(9)
• rvt_reg_user_mr(9)
• rvt_dereg_clean_qp_cb(9)
• rvt_dereg_clean_qps(9)
• rvt_check_refs(9)
• rvt_mr_has_lkey(9)
• rvt_ss_has_lkey(9)
• rvt_dereg_mr(9)
• rvt_set_page(9)
• rvt_map_mr_sg(9)
• rvt_fast_reg_mr(9)
• rvt_invalidate_rkey(9)
• rvt_sge_adjacent(9)
• rvt_lkey_ok(9)
• rvt_rkey_ok(9)

mwah 💋 that's the page! Source/version: ./drivers/infiniband/sw/rdmavt · date: October 2026 · page: rvt_alloc_mr(9). slay 💖