summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--Documentation/mm/arch_pgtable_helpers.rst6
-rw-r--r--include/linux/mm.h2
-rw-r--r--include/linux/pgtable.h4
-rw-r--r--mm/debug_vm_pgtable.c12
-rw-r--r--mm/huge_memory.c10
-rw-r--r--mm/memory.c4
-rw-r--r--mm/migrate.c2
-rw-r--r--mm/migrate_device.c2
-rw-r--r--mm/mprotect.c2
-rw-r--r--mm/userfaultfd.c2
10 files changed, 24 insertions, 22 deletions
diff --git a/Documentation/mm/arch_pgtable_helpers.rst b/Documentation/mm/arch_pgtable_helpers.rst
index 69ce1f2aa4d1..c82e3ee20e51 100644
--- a/Documentation/mm/arch_pgtable_helpers.rst
+++ b/Documentation/mm/arch_pgtable_helpers.rst
@@ -46,7 +46,8 @@ PTE Page Table Helpers
+---------------------------+--------------------------------------------------+
| pte_mkclean | Creates a clean PTE |
+---------------------------+--------------------------------------------------+
-| pte_mkwrite | Creates a writable PTE |
+| pte_mkwrite | Creates a writable PTE of the type specified by |
+| | the VMA. |
+---------------------------+--------------------------------------------------+
| pte_mkwrite_novma | Creates a writable PTE, of the conventional type |
| | of writable. |
@@ -121,7 +122,8 @@ PMD Page Table Helpers
+---------------------------+--------------------------------------------------+
| pmd_mkclean | Creates a clean PMD |
+---------------------------+--------------------------------------------------+
-| pmd_mkwrite | Creates a writable PMD |
+| pmd_mkwrite | Creates a writable PMD of the type specified by |
+| | the VMA. |
+---------------------------+--------------------------------------------------+
| pmd_mkwrite_novma | Creates a writable PMD, of the conventional type |
| | of writable. |
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 2dd73e4f3d8e..d40fa0feb9dc 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1277,7 +1277,7 @@ void free_compound_page(struct page *page);
static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
{
if (likely(vma->vm_flags & VM_WRITE))
- pte = pte_mkwrite(pte);
+ pte = pte_mkwrite(pte, vma);
return pte;
}
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index e6ea6e0d7d8d..9462f4a87d42 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -516,14 +516,14 @@ extern pud_t pudp_huge_clear_flush(struct vm_area_struct *vma,
#endif
#ifndef pte_mkwrite
-static inline pte_t pte_mkwrite(pte_t pte)
+static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
{
return pte_mkwrite_novma(pte);
}
#endif
#if defined(CONFIG_ARCH_WANT_PMD_MKWRITE) && !defined(pmd_mkwrite)
-static inline pmd_t pmd_mkwrite(pmd_t pmd)
+static inline pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
{
return pmd_mkwrite_novma(pmd);
}
diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index ee119e33fef1..b457ca17cef7 100644
--- a/mm/debug_vm_pgtable.c
+++ b/mm/debug_vm_pgtable.c
@@ -109,10 +109,10 @@ static void __init pte_basic_tests(struct pgtable_debug_args *args, int idx)
WARN_ON(!pte_same(pte, pte));
WARN_ON(!pte_young(pte_mkyoung(pte_mkold(pte))));
WARN_ON(!pte_dirty(pte_mkdirty(pte_mkclean(pte))));
- WARN_ON(!pte_write(pte_mkwrite(pte_wrprotect(pte))));
+ WARN_ON(!pte_write(pte_mkwrite(pte_wrprotect(pte), args->vma)));
WARN_ON(pte_young(pte_mkold(pte_mkyoung(pte))));
WARN_ON(pte_dirty(pte_mkclean(pte_mkdirty(pte))));
- WARN_ON(pte_write(pte_wrprotect(pte_mkwrite(pte))));
+ WARN_ON(pte_write(pte_wrprotect(pte_mkwrite(pte, args->vma))));
WARN_ON(pte_dirty(pte_wrprotect(pte_mkclean(pte))));
WARN_ON(!pte_dirty(pte_wrprotect(pte_mkdirty(pte))));
}
@@ -156,7 +156,7 @@ static void __init pte_advanced_tests(struct pgtable_debug_args *args)
pte = pte_mkclean(pte);
set_pte_at(args->mm, args->vaddr, args->ptep, pte);
flush_dcache_page(page);
- pte = pte_mkwrite(pte);
+ pte = pte_mkwrite(pte, args->vma);
pte = pte_mkdirty(pte);
ptep_set_access_flags(args->vma, args->vaddr, args->ptep, pte, 1);
pte = ptep_get(args->ptep);
@@ -202,10 +202,10 @@ static void __init pmd_basic_tests(struct pgtable_debug_args *args, int idx)
WARN_ON(!pmd_same(pmd, pmd));
WARN_ON(!pmd_young(pmd_mkyoung(pmd_mkold(pmd))));
WARN_ON(!pmd_dirty(pmd_mkdirty(pmd_mkclean(pmd))));
- WARN_ON(!pmd_write(pmd_mkwrite(pmd_wrprotect(pmd))));
+ WARN_ON(!pmd_write(pmd_mkwrite(pmd_wrprotect(pmd), args->vma)));
WARN_ON(pmd_young(pmd_mkold(pmd_mkyoung(pmd))));
WARN_ON(pmd_dirty(pmd_mkclean(pmd_mkdirty(pmd))));
- WARN_ON(pmd_write(pmd_wrprotect(pmd_mkwrite(pmd))));
+ WARN_ON(pmd_write(pmd_wrprotect(pmd_mkwrite(pmd, args->vma))));
WARN_ON(pmd_dirty(pmd_wrprotect(pmd_mkclean(pmd))));
WARN_ON(!pmd_dirty(pmd_wrprotect(pmd_mkdirty(pmd))));
/*
@@ -256,7 +256,7 @@ static void __init pmd_advanced_tests(struct pgtable_debug_args *args)
pmd = pmd_mkclean(pmd);
set_pmd_at(args->mm, vaddr, args->pmdp, pmd);
flush_dcache_page(page);
- pmd = pmd_mkwrite(pmd);
+ pmd = pmd_mkwrite(pmd, args->vma);
pmd = pmd_mkdirty(pmd);
pmdp_set_access_flags(args->vma, vaddr, args->pmdp, pmd, 1);
pmd = READ_ONCE(*args->pmdp);
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index eb3678360b97..23c2aa612926 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -551,7 +551,7 @@ __setup("transparent_hugepage=", setup_transparent_hugepage);
pmd_t maybe_pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
{
if (likely(vma->vm_flags & VM_WRITE))
- pmd = pmd_mkwrite(pmd);
+ pmd = pmd_mkwrite(pmd, vma);
return pmd;
}
@@ -1572,7 +1572,7 @@ out_map:
pmd = pmd_modify(oldpmd, vma->vm_page_prot);
pmd = pmd_mkyoung(pmd);
if (writable)
- pmd = pmd_mkwrite(pmd);
+ pmd = pmd_mkwrite(pmd, vma);
set_pmd_at(vma->vm_mm, haddr, vmf->pmd, pmd);
update_mmu_cache_pmd(vma, vmf->address, vmf->pmd);
spin_unlock(vmf->ptl);
@@ -1925,7 +1925,7 @@ int change_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
/* See change_pte_range(). */
if ((cp_flags & MM_CP_TRY_CHANGE_WRITABLE) && !pmd_write(entry) &&
can_change_pmd_writable(vma, addr, entry))
- entry = pmd_mkwrite(entry);
+ entry = pmd_mkwrite(entry, vma);
ret = HPAGE_PMD_NR;
set_pmd_at(mm, addr, pmd, entry);
@@ -2243,7 +2243,7 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
} else {
entry = mk_pte(page + i, READ_ONCE(vma->vm_page_prot));
if (write)
- entry = pte_mkwrite(entry);
+ entry = pte_mkwrite(entry, vma);
if (anon_exclusive)
SetPageAnonExclusive(page + i);
if (!young)
@@ -3287,7 +3287,7 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
if (pmd_swp_soft_dirty(*pvmw->pmd))
pmde = pmd_mksoft_dirty(pmde);
if (is_writable_migration_entry(entry))
- pmde = pmd_mkwrite(pmde);
+ pmde = pmd_mkwrite(pmde, vma);
if (pmd_swp_uffd_wp(*pvmw->pmd))
pmde = pmd_mkuffd_wp(pmde);
if (!is_migration_entry_young(entry))
diff --git a/mm/memory.c b/mm/memory.c
index 01f39e8144ef..f093c73512c5 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4119,7 +4119,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
entry = mk_pte(&folio->page, vma->vm_page_prot);
entry = pte_sw_mkyoung(entry);
if (vma->vm_flags & VM_WRITE)
- entry = pte_mkwrite(pte_mkdirty(entry));
+ entry = pte_mkwrite(pte_mkdirty(entry), vma);
vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address,
&vmf->ptl);
@@ -4808,7 +4808,7 @@ out_map:
pte = pte_modify(old_pte, vma->vm_page_prot);
pte = pte_mkyoung(pte);
if (writable)
- pte = pte_mkwrite(pte);
+ pte = pte_mkwrite(pte, vma);
ptep_modify_prot_commit(vma, vmf->address, vmf->pte, old_pte, pte);
update_mmu_cache(vma, vmf->address, vmf->pte);
pte_unmap_unlock(vmf->pte, vmf->ptl);
diff --git a/mm/migrate.c b/mm/migrate.c
index 24baad2571e3..18f58b7e0aff 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -220,7 +220,7 @@ static bool remove_migration_pte(struct folio *folio,
if (folio_test_dirty(folio) && is_migration_entry_dirty(entry))
pte = pte_mkdirty(pte);
if (is_writable_migration_entry(entry))
- pte = pte_mkwrite(pte);
+ pte = pte_mkwrite(pte, vma);
else if (pte_swp_uffd_wp(old_pte))
pte = pte_mkuffd_wp(pte);
diff --git a/mm/migrate_device.c b/mm/migrate_device.c
index 8365158460ed..df280aa461e2 100644
--- a/mm/migrate_device.c
+++ b/mm/migrate_device.c
@@ -623,7 +623,7 @@ static void migrate_vma_insert_page(struct migrate_vma *migrate,
}
entry = mk_pte(page, vma->vm_page_prot);
if (vma->vm_flags & VM_WRITE)
- entry = pte_mkwrite(pte_mkdirty(entry));
+ entry = pte_mkwrite(pte_mkdirty(entry), vma);
}
ptep = pte_offset_map_lock(mm, pmdp, addr, &ptl);
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 6f658d483704..b342e0196e01 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -185,7 +185,7 @@ static long change_pte_range(struct mmu_gather *tlb,
if ((cp_flags & MM_CP_TRY_CHANGE_WRITABLE) &&
!pte_write(ptent) &&
can_change_pte_writable(vma, addr, ptent))
- ptent = pte_mkwrite(ptent);
+ ptent = pte_mkwrite(ptent, vma);
ptep_modify_prot_commit(vma, addr, pte, oldpte, ptent);
if (pte_needs_flush(oldpte, ptent))
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index a2bf37ee276d..b322ac54ea20 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -72,7 +72,7 @@ int mfill_atomic_install_pte(pmd_t *dst_pmd,
if (page_in_cache && !vm_shared)
writable = false;
if (writable)
- _dst_pte = pte_mkwrite(_dst_pte);
+ _dst_pte = pte_mkwrite(_dst_pte, dst_vma);
if (flags & MFILL_ATOMIC_WP)
_dst_pte = pte_mkuffd_wp(_dst_pte);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-03 22:00:25 +0000