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b53f35a809
A bunch of MTU-related cleanups in the network code. First, there is the addition of the notion of a maximally-sized packet, which is the MTU plus headers. This is used to size the skb that will receive a packet. This allows ether_adjust_skb to go away, as it was used to resize the skb after it was allocated. Since the skb passed into the low-level read routine is no longer resized, and possibly reallocated, there, they (and the write routines) don't need to get an sk_buff **. They just need the sk_buff * now. The callers of ether_adjust_skb still need to do the skb_put, so that's now inlined. The MAX_PACKET definitions in most of the drivers are gone. The set_mtu methods were all the same and did nothing, so they can be removed. The ethertap driver had a typo which doubled the size of the packet rather than adding two bytes to it. It also wasn't defining its setup_size, causing a zero-byte kmalloc and crash when the invalid pointer returned from kmalloc was dereferenced. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| skas | ||
| sysdep-i386 | ||
| sysdep-ia64 | ||
| sysdep-ppc | ||
| sysdep-x86_64 | ||
| aio.h | ||
| arch.h | ||
| as-layout.h | ||
| chan_kern.h | ||
| chan_user.h | ||
| common-offsets.h | ||
| elf_user.h | ||
| frame_kern.h | ||
| init.h | ||
| initrd.h | ||
| irq_kern.h | ||
| irq_user.h | ||
| kern_util.h | ||
| kern.h | ||
| line.h | ||
| longjmp.h | ||
| mconsole_kern.h | ||
| mconsole.h | ||
| mem_kern.h | ||
| mem_user.h | ||
| mem.h | ||
| misc_constants.h | ||
| net_kern.h | ||
| net_user.h | ||
| os.h | ||
| process.h | ||
| ptrace_user.h | ||
| registers.h | ||
| sigcontext.h | ||
| sigio.h | ||
| signal_kern.h | ||
| skas_ptrace.h | ||
| skas_ptregs.h | ||
| syscall.h | ||
| sysrq.h | ||
| task.h | ||
| tempfile.h | ||
| tlb.h | ||
| ubd_user.h | ||
| um_malloc.h | ||
| um_mmu.h | ||
| um_uaccess.h | ||
| user.h | ||