TononixOS/ubports_kernel_google_msm
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[PATCH] Add support for the sys_vmsplice syscall

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sys_splice() moves data to/from pipes with a file input/output. sys_vmsplice()
moves data to a pipe, with the input being a user address range instead.

This uses an approach suggested by Linus, where we can hold partial ranges
inside the pages[] map. Hopefully this will be useful for network
receive support as well.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe
2006-04-26 10:59:21 +02:00
parent 016b661e2f
commit 912d35f867
9 changed files with 268 additions and 43 deletions
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3
include/asm-powerpc/unistd.h
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@@ -303,8 +303,9 @@
#define __NR_unshare 282
#define __NR_splice 283
#define __NR_tee 284
#define __NR_vmsplice 285
#define __NR_syscalls 285
#define __NR_syscalls 286
#ifdef __KERNEL__
#define __NR__exit __NR_exit