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authorDominik Brodowski <linux@dominikbrodowski.net>2018-03-11 11:34:45 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2018-04-02 20:16:10 +0200
commit9d5b7c956b09daab955fb2a42447d5d89ff15093 (patch)
treef2644590e0952ce528fab32226f96557ad91b459 /arch/mips/kernel/linux32.c
parentedf292c76b884a499cc60ad5cdada2663cc39a2f (diff)
mm: add ksys_fadvise64_64() helper; remove in-kernel call to sys_fadvise64_64()
Using the ksys_fadvise64_64() helper allows us to avoid the in-kernel calls to the sys_fadvise64_64() 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 ksys_fadvise64_64(). Some compat stubs called sys_fadvise64(), which then just passed through the arguments to sys_fadvise64_64(). Get rid of this indirection, and call ksys_fadvise64_64() directly. 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: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'arch/mips/kernel/linux32.c')
-rw-r--r--arch/mips/kernel/linux32.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 0779d474c8ad..1c5785e72db4 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -149,7 +149,7 @@ asmlinkage long sys32_fadvise64_64(int fd, int __pad,
unsigned long a4, unsigned long a5,
int flags)
{
- return sys_fadvise64_64(fd,
+ return ksys_fadvise64_64(fd,
merge_64(a2, a3), merge_64(a4, a5),
flags);
}