The patch titled
Subject: mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix
has been added to the -mm tree. Its filename is
mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix.patch
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------------------------------------------------------
From: Minchan Kim <minchan@xxxxxxxxxx>
Subject: mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix
make process_madvise() vlen arg have type size_t, per Florian
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Florian Weimer <fw@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/syscalls.h | 2 +-
mm/madvise.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
--- a/include/linux/syscalls.h~mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix
+++ a/include/linux/syscalls.h
@@ -880,7 +880,7 @@ asmlinkage long sys_mincore(unsigned lon
unsigned char __user * vec);
asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
- unsigned long vlen, int behavior, unsigned int flags);
+ size_t vlen, int behavior, unsigned int flags);
asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
unsigned long prot, unsigned long pgoff,
unsigned long flags);
--- a/mm/madvise.c~mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix
+++ a/mm/madvise.c
@@ -1225,7 +1225,7 @@ put_pid:
return ret;
}
-static inline int madv_import_iovec(int type, const struct iovec __user *uvec, unsigned int nr_segs,
+static inline int madv_import_iovec(int type, const struct iovec __user *uvec, size_t nr_segs,
unsigned int fast_segs, struct iovec **iov, struct iov_iter *i)
{
#ifdef CONFIG_COMPAT
@@ -1238,7 +1238,7 @@ static inline int madv_import_iovec(int
}
SYSCALL_DEFINE5(process_madvise, int, pidfd, const struct iovec __user *, vec,
- unsigned long, vlen, int, behavior, unsigned int, flags)
+ size_t, vlen, int, behavior, unsigned int, flags)
{
ssize_t ret;
struct iovec iovstack[UIO_FASTIOV];
_
Patches currently in -mm which might be from minchan@xxxxxxxxxx are
mm-madvise-pass-mm-to-do_madvise.patch
pid-move-pidfd_get_pid-to-pidc.patch
mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api.patch
mm-madvise-introduce-process_madvise-syscall-an-external-memory-hinting-api-fix.patch
