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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2016-07-26 15:25:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-26 16:19:19 -0700 |
| commit | dcddffd41d3f1d3bdcc1dce3f1cd142779b6d4c1 (patch) | |
| tree | b7b545d38466ff7e0260573cba32c9cabd3fd1a2 /mm/memory.c | |
| parent | 6fb8ddfc455ca82a3ce674f54298cd20f27ca518 (diff) | |
| download | lwn-dcddffd41d3f1d3bdcc1dce3f1cd142779b6d4c1.tar.gz lwn-dcddffd41d3f1d3bdcc1dce3f1cd142779b6d4c1.zip | |
mm: do not pass mm_struct into handle_mm_fault
We always have vma->vm_mm around.
Link: http://lkml.kernel.org/r/1466021202-61880-8-git-send-email-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/mm/memory.c b/mm/memory.c index 5e6eadd127e7..6bf2b8564376 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3420,9 +3420,10 @@ unlock: * The mmap_sem may have been released depending on flags and our * return value. See filemap_fault() and __lock_page_or_retry(). */ -static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, - unsigned long address, unsigned int flags) +static int __handle_mm_fault(struct vm_area_struct *vma, unsigned long address, + unsigned int flags) { + struct mm_struct *mm = vma->vm_mm; pgd_t *pgd; pud_t *pud; pmd_t *pmd; @@ -3509,15 +3510,15 @@ static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, * The mmap_sem may have been released depending on flags and our * return value. See filemap_fault() and __lock_page_or_retry(). */ -int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, - unsigned long address, unsigned int flags) +int handle_mm_fault(struct vm_area_struct *vma, unsigned long address, + unsigned int flags) { int ret; __set_current_state(TASK_RUNNING); count_vm_event(PGFAULT); - mem_cgroup_count_vm_event(mm, PGFAULT); + mem_cgroup_count_vm_event(vma->vm_mm, PGFAULT); /* do counter updates before entering really critical section. */ check_sync_rss_stat(current); @@ -3529,7 +3530,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, if (flags & FAULT_FLAG_USER) mem_cgroup_oom_enable(); - ret = __handle_mm_fault(mm, vma, address, flags); + ret = __handle_mm_fault(vma, address, flags); if (flags & FAULT_FLAG_USER) { mem_cgroup_oom_disable(); |