diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2015-11-15 15:05:32 -0500 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-12-26 21:35:39 -0500 |
commit | be6e4d66f01335827d734ee9bde79862ed8a235b (patch) | |
tree | 6764ef81c6ae3c1506ebad9d852c1b9e79e18a1c /net/rds/page.c | |
parent | 100803a84d3cb84bd3ee36e8ec4274019ad667ac (diff) |
rds: remove dead code
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'net/rds/page.c')
-rw-r--r-- | net/rds/page.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/net/rds/page.c b/net/rds/page.c index e2b5a5832d3d..7cc57e098ddb 100644 --- a/net/rds/page.c +++ b/net/rds/page.c @@ -45,35 +45,6 @@ struct rds_page_remainder { static DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_page_remainder, rds_page_remainders); -/* - * returns 0 on success or -errno on failure. - * - * We don't have to worry about flush_dcache_page() as this only works - * with private pages. If, say, we were to do directed receive to pinned - * user pages we'd have to worry more about cache coherence. (Though - * the flush_dcache_page() in get_user_pages() would probably be enough). - */ -int rds_page_copy_user(struct page *page, unsigned long offset, - void __user *ptr, unsigned long bytes, - int to_user) -{ - unsigned long ret; - void *addr; - - addr = kmap(page); - if (to_user) { - rds_stats_add(s_copy_to_user, bytes); - ret = copy_to_user(ptr, addr + offset, bytes); - } else { - rds_stats_add(s_copy_from_user, bytes); - ret = copy_from_user(addr + offset, ptr, bytes); - } - kunmap(page); - - return ret ? -EFAULT : 0; -} -EXPORT_SYMBOL_GPL(rds_page_copy_user); - /** * rds_page_remainder_alloc - build up regions of a message. * |