On Tue, 19 Jul 2011 00:35:37 +0930 Christopher Yeoh <cyeoh@xxxxxxxxxxx> wrote: > Hi Andrew, > > Resending with CC's as you requested. Have added information about a man > page and what is required for arches other than x86 and powerpc which > have already been done. > > Just as a reminder of what has happened so far, repeating some content > from previous emails about it: > > The basic idea behind cross memory attach is to allow MPI programs doing > intra-node communication to do a single copy of the message rather than > a double copy of the message via shared memory. > > The following patch attempts to achieve this by allowing a > destination process, given an address and size from a source process, to > copy memory directly from the source process into its own address space > via a system call. There is also a symmetrical ability to copy from > the current process's address space into a destination process's > address space. > > ... > > arch/powerpc/include/asm/systbl.h | 2 > arch/powerpc/include/asm/unistd.h | 4 > arch/x86/include/asm/unistd_32.h | 4 > arch/x86/kernel/syscall_table_32.S | 2 > fs/aio.c | 4 > fs/compat.c | 7 > fs/read_write.c | 8 > include/linux/compat.h | 3 > include/linux/fs.h | 7 > include/linux/syscalls.h | 13 + > mm/Makefile | 3 > mm/process_vm_access.c | 446 +++++++++++++++++++++++++++++++++++++ > security/keys/compat.c | 2 > security/keys/keyctl.c | 2 > 14 files changed, 490 insertions(+), 17 deletions(-) Confused. Why no arch/x86/include/asm/unistd_64.h wire-up? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>