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| author | Lorenzo Stoakes <lstoakes@gmail.com> | 2016-10-13 01:20:19 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-19 08:12:14 -0700 |
| commit | 6347e8d5bcce33fc36e651901efefbe2c93a43ef (patch) | |
| tree | 8b738e79772acf156b4bbeca09127afb7dae9554 /include/linux | |
| parent | 442486ec1096781c50227b73f721a63974b0fdda (diff) | |
| download | lwn-6347e8d5bcce33fc36e651901efefbe2c93a43ef.tar.gz lwn-6347e8d5bcce33fc36e651901efefbe2c93a43ef.zip | |
mm: replace access_remote_vm() write parameter with gup_flags
This removes the 'write' argument from access_remote_vm() and replaces
it with 'gup_flags' as use of this function previously silently implied
FOLL_FORCE, whereas after this patch callers explicitly pass this flag.
We make this explicit as use of FOLL_FORCE can result in surprising
behaviour (and hence bugs) within the mm subsystem.
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index ecc4be7b67e0..f31bf9058587 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1268,7 +1268,7 @@ static inline int fixup_user_fault(struct task_struct *tsk, extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write); extern int access_remote_vm(struct mm_struct *mm, unsigned long addr, - void *buf, int len, int write); + void *buf, int len, unsigned int gup_flags); long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, unsigned long start, unsigned long nr_pages, |