Thread (18 messages) 18 messages, 4 authors, 2021-07-30

Re: [PATCH v5 4/6] mm: simplify compat numa syscalls

From: Heiko Carstens <hca@linux.ibm.com>
Date: 2021-07-27 17:29:27
Also in: linux-api, linux-arch, linux-arm-kernel, linux-mips, linux-mm, linux-s390, lkml, sparclinux

On Tue, Jul 27, 2021 at 04:48:57PM +0200, Arnd Bergmann wrote:
---
 include/linux/compat.h |  17 ++--
 mm/mempolicy.c         | 175 +++++++++++++----------------------------
 2 files changed, 63 insertions(+), 129 deletions(-)
...
+static int get_bitmap(unsigned long *mask, const unsigned long __user *nmask,
+		      unsigned long maxnode)
+{
+	unsigned long nlongs = BITS_TO_LONGS(maxnode);
+	int ret;
+
+	if (in_compat_syscall())
+		ret = compat_get_bitmap(mask,
+					(const compat_ulong_t __user *)nmask,
+					maxnode);
compat_ptr() conversion for e.g. nmask is missing with the next patch
which removes the compat system calls.
Is that intended or am I missing something?
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