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-rw-r--r--fs/proc/task_mmu.c4
-rw-r--r--kernel/events/uprobes.c2
-rw-r--r--mm/huge_memory.c14
-rw-r--r--mm/hugetlb.c8
-rw-r--r--mm/khugepaged.c2
-rw-r--r--mm/ksm.c4
-rw-r--r--mm/madvise.c2
-rw-r--r--mm/memory.c14
-rw-r--r--mm/migrate.c4
-rw-r--r--mm/mprotect.c5
-rw-r--r--mm/rmap.c6
11 files changed, 32 insertions, 33 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index ea464f2b9867..01d4eb0e6bd1 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1169,8 +1169,8 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
break;
}
- mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0,
- NULL, mm, 0, -1UL);
+ mmu_notifier_range_init(&range, MMU_NOTIFY_SOFT_DIRTY,
+ 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/kernel/events/uprobes.c b/kernel/events/uprobes.c
index e34b699f3865..78f61bfc6b79 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -161,7 +161,7 @@ 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, MMU_NOTIFY_UNMAP, 0, vma, mm, addr,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 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 428b5794f4b8..61b1e05e86ee 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1224,9 +1224,8 @@ static vm_fault_t do_huge_pmd_wp_page_fallback(struct vm_fault *vmf,
cond_resched();
}
- mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm,
- haddr,
- haddr + HPAGE_PMD_SIZE);
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
+ haddr, haddr + HPAGE_PMD_SIZE);
mmu_notifier_invalidate_range_start(&range);
vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd);
@@ -1389,9 +1388,8 @@ alloc:
vma, HPAGE_PMD_NR);
__SetPageUptodate(new_page);
- mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm,
- haddr,
- haddr + HPAGE_PMD_SIZE);
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
+ haddr, haddr + HPAGE_PMD_SIZE);
mmu_notifier_invalidate_range_start(&range);
spin_lock(vmf->ptl);
@@ -2066,7 +2064,7 @@ 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, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
address & HPAGE_PUD_MASK,
(address & HPAGE_PUD_MASK) + HPAGE_PUD_SIZE);
mmu_notifier_invalidate_range_start(&range);
@@ -2285,7 +2283,7 @@ 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, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
address & HPAGE_PMD_MASK,
(address & HPAGE_PMD_MASK) + HPAGE_PMD_SIZE);
mmu_notifier_invalidate_range_start(&range);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 89d206d6ecf3..cab38ef30238 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3294,7 +3294,7 @@ 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, MMU_NOTIFY_UNMAP, 0, vma, src,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, src,
vma->vm_start,
vma->vm_end);
mmu_notifier_invalidate_range_start(&range);
@@ -3675,7 +3675,7 @@ retry_avoidcopy:
pages_per_huge_page(h));
__SetPageUptodate(new_page);
- mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, haddr,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm, haddr,
haddr + huge_page_size(h));
mmu_notifier_invalidate_range_start(&range);
@@ -4411,8 +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, MMU_NOTIFY_UNMAP, 0, vma, mm, start,
- end);
+ mmu_notifier_range_init(&range, MMU_NOTIFY_PROTECTION_VMA,
+ 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 14581dbf62a5..a335f7c1fac4 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1016,7 +1016,7 @@ 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, MMU_NOTIFY_UNMAP, 0, NULL, mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 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 01f5fe2c90cf..81c20ed57bf6 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1066,7 +1066,7 @@ static int write_protect_page(struct vm_area_struct *vma, struct page *page,
BUG_ON(PageTransCompound(page));
- mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm,
pvmw.address,
pvmw.address + PAGE_SIZE);
mmu_notifier_invalidate_range_start(&range);
@@ -1155,7 +1155,7 @@ static int replace_page(struct vm_area_struct *vma, struct page *page,
if (!pmd)
goto out;
- mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, addr,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm, addr,
addr + PAGE_SIZE);
mmu_notifier_invalidate_range_start(&range);
diff --git a/mm/madvise.c b/mm/madvise.c
index 1c52bdf1b696..628022e674a7 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -472,7 +472,7 @@ 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, MMU_NOTIFY_UNMAP, 0, vma, mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm,
range.start, range.end);
lru_add_drain();
diff --git a/mm/memory.c b/mm/memory.c
index 90672674c582..9b68a72f8c17 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1010,8 +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, MMU_NOTIFY_UNMAP, 0, vma,
- src_mm, addr, end);
+ mmu_notifier_range_init(&range, MMU_NOTIFY_PROTECTION_PAGE,
+ 0, vma, src_mm, addr, end);
mmu_notifier_invalidate_range_start(&range);
}
@@ -1358,7 +1358,7 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long start,
struct mmu_gather tlb;
lru_add_drain();
- mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
start, start + size);
tlb_gather_mmu(&tlb, vma->vm_mm, start, range.end);
update_hiwater_rss(vma->vm_mm);
@@ -1385,7 +1385,7 @@ 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, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
address, address + size);
tlb_gather_mmu(&tlb, vma->vm_mm, address, range.end);
update_hiwater_rss(vma->vm_mm);
@@ -2283,7 +2283,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
__SetPageUptodate(new_page);
- mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm,
vmf->address & PAGE_MASK,
(vmf->address & PAGE_MASK) + PAGE_SIZE);
mmu_notifier_invalidate_range_start(&range);
@@ -4109,7 +4109,7 @@ static int __follow_pte_pmd(struct mm_struct *mm, unsigned long address,
goto out;
if (range) {
- mmu_notifier_range_init(range, MMU_NOTIFY_UNMAP, 0,
+ mmu_notifier_range_init(range, MMU_NOTIFY_CLEAR, 0,
NULL, mm, address & PMD_MASK,
(address & PMD_MASK) + PMD_SIZE);
mmu_notifier_invalidate_range_start(range);
@@ -4128,7 +4128,7 @@ static int __follow_pte_pmd(struct mm_struct *mm, unsigned long address,
goto out;
if (range) {
- mmu_notifier_range_init(range, MMU_NOTIFY_UNMAP, 0, NULL, mm,
+ mmu_notifier_range_init(range, MMU_NOTIFY_CLEAR, 0, NULL, mm,
address & PAGE_MASK,
(address & PAGE_MASK) + PAGE_SIZE);
mmu_notifier_invalidate_range_start(range);
diff --git a/mm/migrate.c b/mm/migrate.c
index 855bdb3b3333..f2ecc2855a12 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -2356,7 +2356,7 @@ 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, MMU_NOTIFY_UNMAP, 0, NULL, mm_walk.mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, NULL, mm_walk.mm,
migrate->start,
migrate->end);
mmu_notifier_invalidate_range_start(&range);
@@ -2765,7 +2765,7 @@ static void migrate_vma_pages(struct migrate_vma *migrate)
notified = true;
mmu_notifier_range_init(&range,
- MMU_NOTIFY_UNMAP, 0,
+ MMU_NOTIFY_CLEAR, 0,
NULL,
migrate->vma->vm_mm,
addr, migrate->end);
diff --git a/mm/mprotect.c b/mm/mprotect.c
index b10984052ae9..65242f1e4457 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -185,8 +185,9 @@ 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, MMU_NOTIFY_UNMAP, 0,
- vma, vma->vm_mm, addr, end);
+ mmu_notifier_range_init(&range,
+ MMU_NOTIFY_PROTECTION_VMA, 0,
+ vma, vma->vm_mm, addr, end);
mmu_notifier_invalidate_range_start(&range);
}
diff --git a/mm/rmap.c b/mm/rmap.c
index 288e636b7813..0cbed70700ed 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -896,8 +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, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm,
- address,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_PROTECTION_PAGE,
+ 0, vma, vma->vm_mm, address,
min(vma->vm_end, address +
(PAGE_SIZE << compound_order(page))));
mmu_notifier_invalidate_range_start(&range);
@@ -1372,7 +1372,7 @@ 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, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm,
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
address,
min(vma->vm_end, address +
(PAGE_SIZE << compound_order(page))));
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.