rpcrdma_regbuf_realloc(9)

💅 rpcrdma_regbuf_realloc(9) 💅

okay so bestie, welcome to the Kernel API Manual — this page is literally about rpcrdma_regbuf_realloc(9), and it’s giving “re-allocate a SEND/RECV buffer” energy. it’s a bool-returning icon and we’re obsessed 🫶✨

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🌸 NAME 🌸

• rpcrdma_regbuf_realloc — re-allocate a SEND/RECV buffer.

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🦋 SYNOPSIS 🦋

the whole signature, served fresh:

bool rpcrdma_regbuf_realloc (struct rpcrdma_regbuf *rb , size_t size ,
gfp_t flags );

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🎀 ARGUMENTS 🎀

• rb — the regbuf to reallocate. like, the main character of this operation 💅
• size — size of buffer to be allocated, in bytes. yes, bytes, bestie 🧚
• flags — GFP flags. keep them exactly as they are, iykyk ⭐

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✨ DESCRIPTION ✨

returns true if reallocation was successful — slay, it worked 🎉

if false is returned, rb is left untouched. no sneaky changes, no chaos — just untouched. periodt 💀

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🔥 SEE ALSO 🔥

check the kernel file ./net/sunrpc/xprtrdma/verbs.c — plus these related function besties:

• rpcrdma_flush_disconnect(9)
• rpcrdma_wc_send(9)
• rpcrdma_wc_receive(9)
• rpcrdma_cm_event_handler(9)
• rpcrdma_xprt_connect(9)
• rpcrdma_xprt_disconnect(9)
• rpcrdma_sendctx_get_locked(9)
• rpcrdma_sendctx_unget_locked(9)
• rpcrdma_sendctx_put_locked(9)
• rpcrdma_mrs_refresh(9)
• rpcrdma_req_create(9)
• rpcrdma_req_setup(9)
• rpcrdma_rep_put(9)
• rpcrdma_buffer_create(9)
• rpcrdma_req_destroy(9)
• rpcrdma_mrs_destroy(9)
• rpcrdma_buffer_destroy(9)
• rpcrdma_mr_get(9)
• rpcrdma_reply_put(9)
• rpcrdma_buffer_get(9)
• rpcrdma_buffer_put(9)
• __rpcrdma_regbuf_dma_map(9)
• rpcrdma_post_recvs(9)

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made with love in source/version ./net/sunrpc/xprtrdma, dated October 2026, for rpcrdma_regbuf_realloc(9) — mwah 💋🎀