Loading Documentation/SubmittingPatches +1 −1 Original line number Diff line number Diff line Loading @@ -232,7 +232,7 @@ your e-mail client so that it sends your patches untouched. When sending patches to Linus, always follow step #7. Large changes are not appropriate for mailing lists, and some maintainers. If your patch, uncompressed, exceeds 40 kB in size, maintainers. If your patch, uncompressed, exceeds 300 kB in size, it is preferred that you store your patch on an Internet-accessible server, and provide instead a URL (link) pointing to your patch. Loading Documentation/arm/tcm.txt +6 −4 Original line number Diff line number Diff line Loading @@ -29,11 +29,13 @@ TCM location and size. Notice that this is not a MMU table: you actually move the physical location of the TCM around. At the place you put it, it will mask any underlying RAM from the CPU so it is usually wise not to overlap any physical RAM with the TCM. The TCM memory exists totally outside the MMU and will override any MMU mappings. the TCM. Code executing inside the ITCM does not "see" any MMU mappings and e.g. register accesses must be made to physical addresses. The TCM memory can then be remapped to another address again using the MMU, but notice that the TCM if often used in situations where the MMU is turned off. To avoid confusion the current Linux implementation will map the TCM 1 to 1 from physical to virtual memory in the location specified by the machine. TCM is used for a few things: Loading Documentation/connector/cn_test.c +1 −1 Original line number Diff line number Diff line Loading @@ -34,7 +34,7 @@ static char cn_test_name[] = "cn_test"; static struct sock *nls; static struct timer_list cn_test_timer; static void cn_test_callback(struct cn_msg *msg) static void cn_test_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp) { pr_info("%s: %lu: idx=%x, val=%x, seq=%u, ack=%u, len=%d: %s.\n", __func__, jiffies, msg->id.idx, msg->id.val, Loading Documentation/connector/connector.txt +4 −4 Original line number Diff line number Diff line Loading @@ -23,7 +23,7 @@ handling, etc... The Connector driver allows any kernelspace agents to use netlink based networking for inter-process communication in a significantly easier way: int cn_add_callback(struct cb_id *id, char *name, void (*callback) (void *)); int cn_add_callback(struct cb_id *id, char *name, void (*callback) (struct cn_msg *, struct netlink_skb_parms *)); void cn_netlink_send(struct cn_msg *msg, u32 __group, int gfp_mask); struct cb_id Loading Loading @@ -53,15 +53,15 @@ struct cn_msg Connector interfaces. /*****************************************/ int cn_add_callback(struct cb_id *id, char *name, void (*callback) (void *)); int cn_add_callback(struct cb_id *id, char *name, void (*callback) (struct cn_msg *, struct netlink_skb_parms *)); Registers new callback with connector core. struct cb_id *id - unique connector's user identifier. It must be registered in connector.h for legal in-kernel users. char *name - connector's callback symbolic name. void (*callback) (void *) - connector's callback. Argument must be dereferenced to struct cn_msg *. void (*callback) (struct cn..) - connector's callback. cn_msg and the sender's credentials void cn_del_callback(struct cb_id *id); Loading Documentation/filesystems/ext4.txt +10 −3 Original line number Diff line number Diff line Loading @@ -282,9 +282,16 @@ stripe=n Number of filesystem blocks that mballoc will try to use for allocation size and alignment. For RAID5/6 systems this should be the number of data disks * RAID chunk size in file system blocks. delalloc (*) Deferring block allocation until write-out time. nodelalloc Disable delayed allocation. Blocks are allocation when data is copied from user to page cache. delalloc (*) Defer block allocation until just before ext4 writes out the block(s) in question. This allows ext4 to better allocation decisions more efficiently. nodelalloc Disable delayed allocation. Blocks are allocated when the data is copied from userspace to the page cache, either via the write(2) system call or when an mmap'ed page which was previously unallocated is written for the first time. max_batch_time=usec Maximum amount of time ext4 should wait for additional filesystem operations to be batch Loading Loading
Documentation/SubmittingPatches +1 −1 Original line number Diff line number Diff line Loading @@ -232,7 +232,7 @@ your e-mail client so that it sends your patches untouched. When sending patches to Linus, always follow step #7. Large changes are not appropriate for mailing lists, and some maintainers. If your patch, uncompressed, exceeds 40 kB in size, maintainers. If your patch, uncompressed, exceeds 300 kB in size, it is preferred that you store your patch on an Internet-accessible server, and provide instead a URL (link) pointing to your patch. Loading
Documentation/arm/tcm.txt +6 −4 Original line number Diff line number Diff line Loading @@ -29,11 +29,13 @@ TCM location and size. Notice that this is not a MMU table: you actually move the physical location of the TCM around. At the place you put it, it will mask any underlying RAM from the CPU so it is usually wise not to overlap any physical RAM with the TCM. The TCM memory exists totally outside the MMU and will override any MMU mappings. the TCM. Code executing inside the ITCM does not "see" any MMU mappings and e.g. register accesses must be made to physical addresses. The TCM memory can then be remapped to another address again using the MMU, but notice that the TCM if often used in situations where the MMU is turned off. To avoid confusion the current Linux implementation will map the TCM 1 to 1 from physical to virtual memory in the location specified by the machine. TCM is used for a few things: Loading
Documentation/connector/cn_test.c +1 −1 Original line number Diff line number Diff line Loading @@ -34,7 +34,7 @@ static char cn_test_name[] = "cn_test"; static struct sock *nls; static struct timer_list cn_test_timer; static void cn_test_callback(struct cn_msg *msg) static void cn_test_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp) { pr_info("%s: %lu: idx=%x, val=%x, seq=%u, ack=%u, len=%d: %s.\n", __func__, jiffies, msg->id.idx, msg->id.val, Loading
Documentation/connector/connector.txt +4 −4 Original line number Diff line number Diff line Loading @@ -23,7 +23,7 @@ handling, etc... The Connector driver allows any kernelspace agents to use netlink based networking for inter-process communication in a significantly easier way: int cn_add_callback(struct cb_id *id, char *name, void (*callback) (void *)); int cn_add_callback(struct cb_id *id, char *name, void (*callback) (struct cn_msg *, struct netlink_skb_parms *)); void cn_netlink_send(struct cn_msg *msg, u32 __group, int gfp_mask); struct cb_id Loading Loading @@ -53,15 +53,15 @@ struct cn_msg Connector interfaces. /*****************************************/ int cn_add_callback(struct cb_id *id, char *name, void (*callback) (void *)); int cn_add_callback(struct cb_id *id, char *name, void (*callback) (struct cn_msg *, struct netlink_skb_parms *)); Registers new callback with connector core. struct cb_id *id - unique connector's user identifier. It must be registered in connector.h for legal in-kernel users. char *name - connector's callback symbolic name. void (*callback) (void *) - connector's callback. Argument must be dereferenced to struct cn_msg *. void (*callback) (struct cn..) - connector's callback. cn_msg and the sender's credentials void cn_del_callback(struct cb_id *id); Loading
Documentation/filesystems/ext4.txt +10 −3 Original line number Diff line number Diff line Loading @@ -282,9 +282,16 @@ stripe=n Number of filesystem blocks that mballoc will try to use for allocation size and alignment. For RAID5/6 systems this should be the number of data disks * RAID chunk size in file system blocks. delalloc (*) Deferring block allocation until write-out time. nodelalloc Disable delayed allocation. Blocks are allocation when data is copied from user to page cache. delalloc (*) Defer block allocation until just before ext4 writes out the block(s) in question. This allows ext4 to better allocation decisions more efficiently. nodelalloc Disable delayed allocation. Blocks are allocated when the data is copied from userspace to the page cache, either via the write(2) system call or when an mmap'ed page which was previously unallocated is written for the first time. max_batch_time=usec Maximum amount of time ext4 should wait for additional filesystem operations to be batch Loading
