16 static u32 find_phys_blocks(struct tid_user_buf *tidbuf, unsigned int npages);
127 			    struct tid_user_buf *tidbuf,  in unpin_rcv_pages()  argument
143 		pages = &tidbuf->pages[idx];  in unpin_rcv_pages()
153 static int pin_rcv_pages(struct hfi1_filedata *fd, struct tid_user_buf *tidbuf)  in pin_rcv_pages()  argument
157 	unsigned long vaddr = tidbuf->vaddr;  in pin_rcv_pages()
162 	npages = num_user_pages(vaddr, tidbuf->length);  in pin_rcv_pages()
191 	tidbuf->pages = pages;  in pin_rcv_pages()
192 	tidbuf->npages = npages;  in pin_rcv_pages()
255 	struct tid_user_buf *tidbuf;  in hfi1_user_exp_rcv_setup()  local
260 	tidbuf = kzalloc(sizeof(*tidbuf), GFP_KERNEL);  in hfi1_user_exp_rcv_setup()
261 	if (!tidbuf)  in hfi1_user_exp_rcv_setup()
264 	tidbuf->vaddr = tinfo->vaddr;  in hfi1_user_exp_rcv_setup()
265 	tidbuf->length = tinfo->length;  in hfi1_user_exp_rcv_setup()
266 	tidbuf->psets = kcalloc(uctxt->expected_count, sizeof(*tidbuf->psets),  in hfi1_user_exp_rcv_setup()
268 	if (!tidbuf->psets) {  in hfi1_user_exp_rcv_setup()
269 		kfree(tidbuf);  in hfi1_user_exp_rcv_setup()
273 	pinned = pin_rcv_pages(fd, tidbuf);  in hfi1_user_exp_rcv_setup()
275 		kfree(tidbuf->psets);  in hfi1_user_exp_rcv_setup()
276 		kfree(tidbuf);  in hfi1_user_exp_rcv_setup()
281 	tidbuf->n_psets = find_phys_blocks(tidbuf, pinned);  in hfi1_user_exp_rcv_setup()
289 	if (fd->tid_used + tidbuf->n_psets > fd->tid_limit)  in hfi1_user_exp_rcv_setup()
292 		pageset_count = tidbuf->n_psets;  in hfi1_user_exp_rcv_setup()
320 		ret = program_rcvarray(fd, tidbuf, grp,  in hfi1_user_exp_rcv_setup()
366 			ret = program_rcvarray(fd, tidbuf, grp,  in hfi1_user_exp_rcv_setup()
427 		unpin_rcv_pages(fd, tidbuf, NULL, mapped_pages,  in hfi1_user_exp_rcv_setup()
430 	kfree(tidbuf->psets);  in hfi1_user_exp_rcv_setup()
432 	kfree(tidbuf->pages);  in hfi1_user_exp_rcv_setup()
433 	kfree(tidbuf);  in hfi1_user_exp_rcv_setup()
519 static u32 find_phys_blocks(struct tid_user_buf *tidbuf, unsigned int npages)  in find_phys_blocks()  argument
523 	struct page **pages = tidbuf->pages;  in find_phys_blocks()
524 	struct tid_pageset *list = tidbuf->psets;  in find_phys_blocks()