58 static u32 find_phys_blocks(struct tid_user_buf *tidbuf, unsigned int npages);
169 			    struct tid_user_buf *tidbuf,  in unpin_rcv_pages()  argument
185 		pages = &tidbuf->pages[idx];  in unpin_rcv_pages()
195 static int pin_rcv_pages(struct hfi1_filedata *fd, struct tid_user_buf *tidbuf)  in pin_rcv_pages()  argument
199 	unsigned long vaddr = tidbuf->vaddr;  in pin_rcv_pages()
204 	npages = num_user_pages(vaddr, tidbuf->length);  in pin_rcv_pages()
233 	tidbuf->pages = pages;  in pin_rcv_pages()
234 	tidbuf->npages = npages;  in pin_rcv_pages()
297 	struct tid_user_buf *tidbuf;  in hfi1_user_exp_rcv_setup()  local
302 	tidbuf = kzalloc(sizeof(*tidbuf), GFP_KERNEL);  in hfi1_user_exp_rcv_setup()
303 	if (!tidbuf)  in hfi1_user_exp_rcv_setup()
306 	tidbuf->vaddr = tinfo->vaddr;  in hfi1_user_exp_rcv_setup()
307 	tidbuf->length = tinfo->length;  in hfi1_user_exp_rcv_setup()
308 	tidbuf->psets = kcalloc(uctxt->expected_count, sizeof(*tidbuf->psets),  in hfi1_user_exp_rcv_setup()
310 	if (!tidbuf->psets) {  in hfi1_user_exp_rcv_setup()
311 		kfree(tidbuf);  in hfi1_user_exp_rcv_setup()
315 	pinned = pin_rcv_pages(fd, tidbuf);  in hfi1_user_exp_rcv_setup()
317 		kfree(tidbuf->psets);  in hfi1_user_exp_rcv_setup()
318 		kfree(tidbuf);  in hfi1_user_exp_rcv_setup()
323 	tidbuf->n_psets = find_phys_blocks(tidbuf, pinned);  in hfi1_user_exp_rcv_setup()
331 	if (fd->tid_used + tidbuf->n_psets > fd->tid_limit)  in hfi1_user_exp_rcv_setup()
334 		pageset_count = tidbuf->n_psets;  in hfi1_user_exp_rcv_setup()
362 		ret = program_rcvarray(fd, tidbuf, grp,  in hfi1_user_exp_rcv_setup()
408 			ret = program_rcvarray(fd, tidbuf, grp,  in hfi1_user_exp_rcv_setup()
469 		unpin_rcv_pages(fd, tidbuf, NULL, mapped_pages,  in hfi1_user_exp_rcv_setup()
472 	kfree(tidbuf->psets);  in hfi1_user_exp_rcv_setup()
474 	kfree(tidbuf->pages);  in hfi1_user_exp_rcv_setup()
475 	kfree(tidbuf);  in hfi1_user_exp_rcv_setup()
561 static u32 find_phys_blocks(struct tid_user_buf *tidbuf, unsigned int npages)  in find_phys_blocks()  argument
565 	struct page **pages = tidbuf->pages;  in find_phys_blocks()
566 	struct tid_pageset *list = tidbuf->psets;  in find_phys_blocks()