diff options
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/mm/memory.c b/mm/memory.c index 23f2f1300d42..f306e698a1e3 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -41,6 +41,7 @@ #include <linux/kernel_stat.h> #include <linux/mm.h> +#include <linux/mm_inline.h> #include <linux/sched/mm.h> #include <linux/sched/coredump.h> #include <linux/sched/numa_balancing.h> @@ -719,8 +720,6 @@ static void restore_exclusive_pte(struct vm_area_struct *vma, else if (is_writable_device_exclusive_entry(entry)) pte = maybe_mkwrite(pte_mkdirty(pte), vma); - set_pte_at(vma->vm_mm, address, ptep, pte); - /* * No need to take a page reference as one was already * created when the swap entry was made. @@ -734,6 +733,8 @@ static void restore_exclusive_pte(struct vm_area_struct *vma, */ WARN_ON_ONCE(!PageAnon(page)); + set_pte_at(vma->vm_mm, address, ptep, pte); + if (vma->vm_flags & VM_LOCKED) mlock_vma_page(page); @@ -3647,7 +3648,7 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES); dec_mm_counter_fast(vma->vm_mm, MM_SWAPENTS); pte = mk_pte(page, vma->vm_page_prot); - if ((vmf->flags & FAULT_FLAG_WRITE) && reuse_swap_page(page, NULL)) { + if ((vmf->flags & FAULT_FLAG_WRITE) && reuse_swap_page(page)) { pte = maybe_mkwrite(pte_mkdirty(pte), vma); vmf->flags &= ~FAULT_FLAG_WRITE; ret |= VM_FAULT_WRITE; @@ -3660,8 +3661,6 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) pte = pte_mkuffd_wp(pte); pte = pte_wrprotect(pte); } - set_pte_at(vma->vm_mm, vmf->address, vmf->pte, pte); - arch_do_swap_page(vma->vm_mm, vma, vmf->address, pte, vmf->orig_pte); vmf->orig_pte = pte; /* ksm created a completely new copy */ @@ -3672,6 +3671,9 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) do_page_add_anon_rmap(page, vma, vmf->address, exclusive); } + set_pte_at(vma->vm_mm, vmf->address, vmf->pte, pte); + arch_do_swap_page(vma->vm_mm, vma, vmf->address, pte, vmf->orig_pte); + swap_free(entry); if (mem_cgroup_swap_full(page) || (vma->vm_flags & VM_LOCKED) || PageMlocked(page)) |