rds: remove dead code (be6e4d66) · Commits · e / devices / android_kernel_teracube_emerald

net/rds/page.c

+0 −29

Original line number	Diff line number	Diff line
		@@ -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.
		*

+0 −7

Original line number	Diff line number	Diff line
		@@ -781,13 +781,6 @@ static inline int rds_message_verify_checksum(const struct rds_header *hdr)
		/* page.c */
		int rds_page_remainder_alloc(struct scatterlist *scat, unsigned long bytes,
		gfp_t gfp);
		int rds_page_copy_user(struct page *page, unsigned long offset,
		void __user *ptr, unsigned long bytes,
		int to_user);
		#define rds_page_copy_to_user(page, offset, ptr, bytes) \
		rds_page_copy_user(page, offset, ptr, bytes, 1)
		#define rds_page_copy_from_user(page, offset, ptr, bytes) \
		rds_page_copy_user(page, offset, ptr, bytes, 0)
		void rds_page_exit(void);

		/* recv.c */