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Searched refs:nr_pages (Results 1 – 6 of 6) sorted by relevance

/net/rds/
Dinfo.c163 unsigned long nr_pages = 0; in rds_info_getsockopt() local
188 nr_pages = (PAGE_ALIGN(start + len) - (start & PAGE_MASK)) in rds_info_getsockopt()
191 pages = kmalloc(nr_pages * sizeof(struct page *), GFP_KERNEL); in rds_info_getsockopt()
196 ret = get_user_pages_fast(start, nr_pages, 1, pages); in rds_info_getsockopt()
197 if (ret != nr_pages) { in rds_info_getsockopt()
199 nr_pages = ret; in rds_info_getsockopt()
201 nr_pages = 0; in rds_info_getsockopt()
206 rdsdebug("len %d nr_pages %lu\n", len, nr_pages); in rds_info_getsockopt()
238 for (i = 0; pages && i < nr_pages; i++) in rds_info_getsockopt()
Drdma.c157 static int rds_pin_pages(unsigned long user_addr, unsigned int nr_pages, in rds_pin_pages() argument
162 ret = get_user_pages_fast(user_addr, nr_pages, write, pages); in rds_pin_pages()
164 if (ret >= 0 && ret < nr_pages) { in rds_pin_pages()
177 unsigned int nr_pages; in __rds_rdma_map() local
197 nr_pages = rds_pages_in_vec(&args->vec); in __rds_rdma_map()
198 if (nr_pages == 0) { in __rds_rdma_map()
204 args->vec.addr, args->vec.bytes, nr_pages); in __rds_rdma_map()
207 pages = kcalloc(nr_pages, sizeof(struct page *), GFP_KERNEL); in __rds_rdma_map()
241 ret = rds_pin_pages(args->vec.addr, nr_pages, pages, 1); in __rds_rdma_map()
488 unsigned int nr_pages; in rds_rdma_pages() local
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/net/ipv4/
Dtcp_memcontrol.c57 static int tcp_update_limit(struct mem_cgroup *memcg, unsigned long nr_pages) in tcp_update_limit() argument
67 ret = page_counter_limit(&cg_proto->memory_allocated, nr_pages); in tcp_update_limit()
72 cg_proto->sysctl_mem[i] = min_t(long, nr_pages, in tcp_update_limit()
75 if (nr_pages == PAGE_COUNTER_MAX) in tcp_update_limit()
119 unsigned long nr_pages; in tcp_cgroup_write() local
127 ret = page_counter_memparse(buf, "-1", &nr_pages); in tcp_cgroup_write()
131 ret = tcp_update_limit(memcg, nr_pages); in tcp_cgroup_write()
/net/9p/
Dtrans_virtio.c225 struct page **pdata, int nr_pages, size_t offs, int count) in pack_sg_list_p() argument
231 BUG_ON(nr_pages > (limit - start)); in pack_sg_list_p()
236 while (nr_pages) { in pack_sg_list_p()
246 nr_pages--; in pack_sg_list_p()
322 int nr_pages; in p9_get_mapped_pages() local
344 nr_pages = DIV_ROUND_UP(n + *offs, PAGE_SIZE); in p9_get_mapped_pages()
345 atomic_add(nr_pages, &vp_pinned); in p9_get_mapped_pages()
365 nr_pages = DIV_ROUND_UP((unsigned long)p + len, PAGE_SIZE) - in p9_get_mapped_pages()
368 *pages = kmalloc(sizeof(struct page *) * nr_pages, GFP_NOFS); in p9_get_mapped_pages()
374 for (index = 0; index < nr_pages; index++) { in p9_get_mapped_pages()
Dtrans_common.c22 void p9_release_pages(struct page **pages, int nr_pages) in p9_release_pages() argument
26 for (i = 0; i < nr_pages; i++) in p9_release_pages()
/net/core/
Dskbuff.c1802 return spd->nr_pages && in spd_can_coalesce()
1803 spd->pages[spd->nr_pages - 1] == page && in spd_can_coalesce()
1804 (spd->partial[spd->nr_pages - 1].offset + in spd_can_coalesce()
1805 spd->partial[spd->nr_pages - 1].len == offset); in spd_can_coalesce()
1817 if (unlikely(spd->nr_pages == MAX_SKB_FRAGS)) in spd_fill_page()
1826 spd->partial[spd->nr_pages - 1].len += *len; in spd_fill_page()
1830 spd->pages[spd->nr_pages] = page; in spd_fill_page()
1831 spd->partial[spd->nr_pages].len = *len; in spd_fill_page()
1832 spd->partial[spd->nr_pages].offset = offset; in spd_fill_page()
1833 spd->nr_pages++; in spd_fill_page()
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