diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 95ca1fe7283c..ea464f2b9867 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -1169,7 +1169,8 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf, break; } - mmu_notifier_range_init(&range, mm, 0, -1UL); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, + NULL, mm, 0, -1UL); mmu_notifier_invalidate_range_start(&range); } walk_page_range(0, mm->highest_vm_end, &clear_refs_walk); diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index 2386e71ac1b8..62f94cd85455 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -356,6 +356,9 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm) static inline void mmu_notifier_range_init(struct mmu_notifier_range *range, + enum mmu_notifier_event event, + unsigned flags, + struct vm_area_struct *vma, struct mm_struct *mm, unsigned long start, unsigned long end) @@ -491,7 +494,7 @@ static inline void _mmu_notifier_range_init(struct mmu_notifier_range *range, range->end = end; } -#define mmu_notifier_range_init(range, mm, start, end) \ +#define mmu_notifier_range_init(range,event,flags,vma,mm,start,end) \ _mmu_notifier_range_init(range, start, end) static inline bool diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 4ca7364c956d..e34b699f3865 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -161,7 +161,8 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr, struct mmu_notifier_range range; struct mem_cgroup *memcg; - mmu_notifier_range_init(&range, mm, addr, addr + PAGE_SIZE); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, addr, + addr + PAGE_SIZE); VM_BUG_ON_PAGE(PageTransHuge(old_page), old_page); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 50c665b12cf1..428b5794f4b8 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1224,7 +1224,8 @@ static vm_fault_t do_huge_pmd_wp_page_fallback(struct vm_fault *vmf, cond_resched(); } - mmu_notifier_range_init(&range, vma->vm_mm, haddr, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + haddr, haddr + HPAGE_PMD_SIZE); mmu_notifier_invalidate_range_start(&range); @@ -1388,7 +1389,8 @@ alloc: vma, HPAGE_PMD_NR); __SetPageUptodate(new_page); - mmu_notifier_range_init(&range, vma->vm_mm, haddr, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + haddr, haddr + HPAGE_PMD_SIZE); mmu_notifier_invalidate_range_start(&range); @@ -2064,7 +2066,8 @@ void __split_huge_pud(struct vm_area_struct *vma, pud_t *pud, spinlock_t *ptl; struct mmu_notifier_range range; - mmu_notifier_range_init(&range, vma->vm_mm, address & HPAGE_PUD_MASK, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + address & HPAGE_PUD_MASK, (address & HPAGE_PUD_MASK) + HPAGE_PUD_SIZE); mmu_notifier_invalidate_range_start(&range); ptl = pud_lock(vma->vm_mm, pud); @@ -2282,7 +2285,8 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, spinlock_t *ptl; struct mmu_notifier_range range; - mmu_notifier_range_init(&range, vma->vm_mm, address & HPAGE_PMD_MASK, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + address & HPAGE_PMD_MASK, (address & HPAGE_PMD_MASK) + HPAGE_PMD_SIZE); mmu_notifier_invalidate_range_start(&range); ptl = pmd_lock(vma->vm_mm, pmd); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 98a3c7c224cb..89d206d6ecf3 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3294,7 +3294,8 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src, cow = (vma->vm_flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE; if (cow) { - mmu_notifier_range_init(&range, src, vma->vm_start, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, src, + vma->vm_start, vma->vm_end); mmu_notifier_invalidate_range_start(&range); } @@ -3406,7 +3407,8 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, /* * If sharing possible, alert mmu notifiers of worst case. */ - mmu_notifier_range_init(&range, mm, start, end); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, start, + end); adjust_range_if_pmd_sharing_possible(vma, &range.start, &range.end); mmu_notifier_invalidate_range_start(&range); address = start; @@ -3673,7 +3675,8 @@ retry_avoidcopy: pages_per_huge_page(h)); __SetPageUptodate(new_page); - mmu_notifier_range_init(&range, mm, haddr, haddr + huge_page_size(h)); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, haddr, + haddr + huge_page_size(h)); mmu_notifier_invalidate_range_start(&range); /* @@ -4408,7 +4411,8 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma, * start/end. Set range.start/range.end to cover the maximum possible * range if PMD sharing is possible. */ - mmu_notifier_range_init(&range, mm, start, end); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, start, + end); adjust_range_if_pmd_sharing_possible(vma, &range.start, &range.end); BUG_ON(address >= end); diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 7ba7a1e4fa79..14581dbf62a5 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1016,7 +1016,8 @@ static void collapse_huge_page(struct mm_struct *mm, pte = pte_offset_map(pmd, address); pte_ptl = pte_lockptr(mm, pmd); - mmu_notifier_range_init(&range, mm, address, address + HPAGE_PMD_SIZE); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, NULL, mm, + address, address + HPAGE_PMD_SIZE); mmu_notifier_invalidate_range_start(&range); pmd_ptl = pmd_lock(mm, pmd); /* probably unnecessary */ /* diff --git a/mm/ksm.c b/mm/ksm.c index fc64874dc6f4..01f5fe2c90cf 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -1066,7 +1066,8 @@ static int write_protect_page(struct vm_area_struct *vma, struct page *page, BUG_ON(PageTransCompound(page)); - mmu_notifier_range_init(&range, mm, pvmw.address, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, + pvmw.address, pvmw.address + PAGE_SIZE); mmu_notifier_invalidate_range_start(&range); @@ -1154,7 +1155,8 @@ static int replace_page(struct vm_area_struct *vma, struct page *page, if (!pmd) goto out; - mmu_notifier_range_init(&range, mm, addr, addr + PAGE_SIZE); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, addr, + addr + PAGE_SIZE); mmu_notifier_invalidate_range_start(&range); ptep = pte_offset_map_lock(mm, pmd, addr, &ptl); diff --git a/mm/madvise.c b/mm/madvise.c index bb3a4554d5d5..1c52bdf1b696 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -472,7 +472,8 @@ static int madvise_free_single_vma(struct vm_area_struct *vma, range.end = min(vma->vm_end, end_addr); if (range.end <= vma->vm_start) return -EINVAL; - mmu_notifier_range_init(&range, mm, range.start, range.end); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, + range.start, range.end); lru_add_drain(); tlb_gather_mmu(&tlb, mm, range.start, range.end); diff --git a/mm/memory.c b/mm/memory.c index f7d962d7de19..90672674c582 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1010,7 +1010,8 @@ int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, is_cow = is_cow_mapping(vma->vm_flags); if (is_cow) { - mmu_notifier_range_init(&range, src_mm, addr, end); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, + src_mm, addr, end); mmu_notifier_invalidate_range_start(&range); } @@ -1334,7 +1335,8 @@ void unmap_vmas(struct mmu_gather *tlb, { struct mmu_notifier_range range; - mmu_notifier_range_init(&range, vma->vm_mm, start_addr, end_addr); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + start_addr, end_addr); mmu_notifier_invalidate_range_start(&range); for ( ; vma && vma->vm_start < end_addr; vma = vma->vm_next) unmap_single_vma(tlb, vma, start_addr, end_addr, NULL); @@ -1356,7 +1358,8 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long start, struct mmu_gather tlb; lru_add_drain(); - mmu_notifier_range_init(&range, vma->vm_mm, start, start + size); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + start, start + size); tlb_gather_mmu(&tlb, vma->vm_mm, start, range.end); update_hiwater_rss(vma->vm_mm); mmu_notifier_invalidate_range_start(&range); @@ -1382,7 +1385,8 @@ static void zap_page_range_single(struct vm_area_struct *vma, unsigned long addr struct mmu_gather tlb; lru_add_drain(); - mmu_notifier_range_init(&range, vma->vm_mm, address, address + size); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + address, address + size); tlb_gather_mmu(&tlb, vma->vm_mm, address, range.end); update_hiwater_rss(vma->vm_mm); mmu_notifier_invalidate_range_start(&range); @@ -2279,7 +2283,8 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf) __SetPageUptodate(new_page); - mmu_notifier_range_init(&range, mm, vmf->address & PAGE_MASK, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, + vmf->address & PAGE_MASK, (vmf->address & PAGE_MASK) + PAGE_SIZE); mmu_notifier_invalidate_range_start(&range); @@ -4104,8 +4109,9 @@ static int __follow_pte_pmd(struct mm_struct *mm, unsigned long address, goto out; if (range) { - mmu_notifier_range_init(range, mm, address & PMD_MASK, - (address & PMD_MASK) + PMD_SIZE); + mmu_notifier_range_init(range, MMU_NOTIFY_UNMAP, 0, + NULL, mm, address & PMD_MASK, + (address & PMD_MASK) + PMD_SIZE); mmu_notifier_invalidate_range_start(range); } *ptlp = pmd_lock(mm, pmd); @@ -4122,8 +4128,9 @@ static int __follow_pte_pmd(struct mm_struct *mm, unsigned long address, goto out; if (range) { - mmu_notifier_range_init(range, mm, address & PAGE_MASK, - (address & PAGE_MASK) + PAGE_SIZE); + mmu_notifier_range_init(range, MMU_NOTIFY_UNMAP, 0, NULL, mm, + address & PAGE_MASK, + (address & PAGE_MASK) + PAGE_SIZE); mmu_notifier_invalidate_range_start(range); } ptep = pte_offset_map_lock(mm, pmd, address, ptlp); diff --git a/mm/migrate.c b/mm/migrate.c index a1770403ff7f..855bdb3b3333 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2356,7 +2356,8 @@ static void migrate_vma_collect(struct migrate_vma *migrate) mm_walk.mm = migrate->vma->vm_mm; mm_walk.private = migrate; - mmu_notifier_range_init(&range, mm_walk.mm, migrate->start, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, NULL, mm_walk.mm, + migrate->start, migrate->end); mmu_notifier_invalidate_range_start(&range); walk_page_range(migrate->start, migrate->end, &mm_walk); @@ -2764,6 +2765,8 @@ static void migrate_vma_pages(struct migrate_vma *migrate) notified = true; mmu_notifier_range_init(&range, + MMU_NOTIFY_UNMAP, 0, + NULL, migrate->vma->vm_mm, addr, migrate->end); mmu_notifier_invalidate_range_start(&range); diff --git a/mm/mprotect.c b/mm/mprotect.c index 028c724dcb1a..b10984052ae9 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -185,7 +185,8 @@ static inline unsigned long change_pmd_range(struct vm_area_struct *vma, /* invoke the mmu notifier if the pmd is populated */ if (!range.start) { - mmu_notifier_range_init(&range, vma->vm_mm, addr, end); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, + vma, vma->vm_mm, addr, end); mmu_notifier_invalidate_range_start(&range); } diff --git a/mm/mremap.c b/mm/mremap.c index e3edef6b7a12..fc241d23cd97 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -249,7 +249,8 @@ unsigned long move_page_tables(struct vm_area_struct *vma, old_end = old_addr + len; flush_cache_range(vma, old_addr, old_end); - mmu_notifier_range_init(&range, vma->vm_mm, old_addr, old_end); + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + old_addr, old_end); mmu_notifier_invalidate_range_start(&range); for (; old_addr < old_end; old_addr += extent, new_addr += extent) { diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 3a2484884cfd..539c91d0b26a 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -531,7 +531,8 @@ bool __oom_reap_task_mm(struct mm_struct *mm) struct mmu_notifier_range range; struct mmu_gather tlb; - mmu_notifier_range_init(&range, mm, vma->vm_start, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, + vma, mm, vma->vm_start, vma->vm_end); tlb_gather_mmu(&tlb, mm, range.start, range.end); if (mmu_notifier_invalidate_range_start_nonblock(&range)) { diff --git a/mm/rmap.c b/mm/rmap.c index 76c8dfd3ae1c..288e636b7813 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -896,7 +896,8 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma, * We have to assume the worse case ie pmd for invalidation. Note that * the page can not be free from this function. */ - mmu_notifier_range_init(&range, vma->vm_mm, address, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + address, min(vma->vm_end, address + (PAGE_SIZE << compound_order(page)))); mmu_notifier_invalidate_range_start(&range); @@ -1371,7 +1372,8 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, * Note that the page can not be free in this function as call of * try_to_unmap() must hold a reference on the page. */ - mmu_notifier_range_init(&range, vma->vm_mm, address, + mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + address, min(vma->vm_end, address + (PAGE_SIZE << compound_order(page)))); if (PageHuge(page)) {