diff options
Diffstat (limited to 'kernel/events')
| -rw-r--r-- | kernel/events/uprobes.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 89ef81b65bcb..4253c153e985 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -162,14 +162,13 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr, }; int err; struct mmu_notifier_range range; - struct mem_cgroup *memcg; mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm, addr, addr + PAGE_SIZE); if (new_page) { - err = mem_cgroup_try_charge(new_page, vma->vm_mm, GFP_KERNEL, - &memcg); + err = mem_cgroup_charge(new_page, vma->vm_mm, GFP_KERNEL, + false); if (err) return err; } @@ -179,16 +178,12 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr, mmu_notifier_invalidate_range_start(&range); err = -EAGAIN; - if (!page_vma_mapped_walk(&pvmw)) { - if (new_page) - mem_cgroup_cancel_charge(new_page, memcg); + if (!page_vma_mapped_walk(&pvmw)) goto unlock; - } VM_BUG_ON_PAGE(addr != pvmw.address, old_page); if (new_page) { get_page(new_page); - mem_cgroup_commit_charge(new_page, memcg, false); page_add_new_anon_rmap(new_page, vma, addr, false); lru_cache_add_active_or_unevictable(new_page, vma); } else |