From da1e2744341542e404c172bcf6a321f509408b14 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Tue, 20 Mar 2018 20:09:48 +0100 Subject: ipc: add shmdt syscall wrapper Provide ksys_shmdt() wrapper to avoid in-kernel calls to this syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_shmdt(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro Cc: Andrew Morton Signed-off-by: Dominik Brodowski --- ipc/util.h | 1 + 1 file changed, 1 insertion(+) (limited to 'ipc/util.h') diff --git a/ipc/util.h b/ipc/util.h index 51002c0b2a21..7770bcad1168 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -244,6 +244,7 @@ long ksys_semget(key_t key, int nsems, int semflg); long ksys_semctl(int semid, int semnum, int cmd, unsigned long arg); long ksys_msgget(key_t key, int msgflg); long ksys_shmget(key_t key, size_t size, int shmflg); +long ksys_shmdt(char __user *shmaddr); /* for CONFIG_ARCH_WANT_OLD_COMPAT_IPC */ #ifdef CONFIG_COMPAT -- cgit v1.2.3-59-g8ed1b