diff options
-rw-r--r-- | include/linux/mm.h | 4 | ||||
-rw-r--r-- | kernel/ptrace.c | 2 | ||||
-rw-r--r-- | mm/memory.c | 11 | ||||
-rw-r--r-- | mm/nommu.c | 8 |
4 files changed, 12 insertions, 13 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 5bbbf4aeee94..1d8e84bf718a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1716,8 +1716,8 @@ extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, unsigned int gup_flags); extern int access_remote_vm(struct mm_struct *mm, unsigned long addr, void *buf, int len, unsigned int gup_flags); -extern int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - unsigned long addr, void *buf, int len, unsigned int gup_flags); +extern int __access_remote_vm(struct mm_struct *mm, unsigned long addr, + void *buf, int len, unsigned int gup_flags); long get_user_pages_remote(struct mm_struct *mm, unsigned long start, unsigned long nr_pages, diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 79de1294f8eb..a77d25c641e9 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -57,7 +57,7 @@ int ptrace_access_vm(struct task_struct *tsk, unsigned long addr, return 0; } - ret = __access_remote_vm(tsk, mm, addr, buf, len, gup_flags); + ret = __access_remote_vm(mm, addr, buf, len, gup_flags); mmput(mm); return ret; diff --git a/mm/memory.c b/mm/memory.c index 50632c4366b8..4a42a74a2240 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4885,11 +4885,10 @@ EXPORT_SYMBOL_GPL(generic_access_phys); #endif /* - * Access another process' address space as given in mm. If non-NULL, use the - * given task for page fault accounting. + * Access another process' address space as given in mm. */ -int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - unsigned long addr, void *buf, int len, unsigned int gup_flags) +int __access_remote_vm(struct mm_struct *mm, unsigned long addr, void *buf, + int len, unsigned int gup_flags) { struct vm_area_struct *vma; void *old_buf = buf; @@ -4966,7 +4965,7 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, int access_remote_vm(struct mm_struct *mm, unsigned long addr, void *buf, int len, unsigned int gup_flags) { - return __access_remote_vm(NULL, mm, addr, buf, len, gup_flags); + return __access_remote_vm(mm, addr, buf, len, gup_flags); } /* @@ -4984,7 +4983,7 @@ int access_process_vm(struct task_struct *tsk, unsigned long addr, if (!mm) return 0; - ret = __access_remote_vm(tsk, mm, addr, buf, len, gup_flags); + ret = __access_remote_vm(mm, addr, buf, len, gup_flags); mmput(mm); diff --git a/mm/nommu.c b/mm/nommu.c index 0faf39b32cdb..870fea12823e 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -1675,8 +1675,8 @@ void filemap_map_pages(struct vm_fault *vmf, } EXPORT_SYMBOL(filemap_map_pages); -int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - unsigned long addr, void *buf, int len, unsigned int gup_flags) +int __access_remote_vm(struct mm_struct *mm, unsigned long addr, void *buf, + int len, unsigned int gup_flags) { struct vm_area_struct *vma; int write = gup_flags & FOLL_WRITE; @@ -1722,7 +1722,7 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, int access_remote_vm(struct mm_struct *mm, unsigned long addr, void *buf, int len, unsigned int gup_flags) { - return __access_remote_vm(NULL, mm, addr, buf, len, gup_flags); + return __access_remote_vm(mm, addr, buf, len, gup_flags); } /* @@ -1741,7 +1741,7 @@ int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, in if (!mm) return 0; - len = __access_remote_vm(tsk, mm, addr, buf, len, gup_flags); + len = __access_remote_vm(mm, addr, buf, len, gup_flags); mmput(mm); return len; |