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mm: Account for a THP NUMA hinting update as one PTE update
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
mm
/
mprotect.c
diff --git
a/mm/mprotect.c
b/mm/mprotect.c
index
94722a4
..
412ba2b
100644
(file)
--- a/
mm/mprotect.c
+++ b/
mm/mprotect.c
@@
-94,13
+94,16
@@
static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
swp_entry_t entry = pte_to_swp_entry(oldpte);
if (is_write_migration_entry(entry)) {
swp_entry_t entry = pte_to_swp_entry(oldpte);
if (is_write_migration_entry(entry)) {
+ pte_t newpte;
/*
* A protection check is difficult so
* just be safe and disable write
*/
make_migration_entry_read(&entry);
/*
* A protection check is difficult so
* just be safe and disable write
*/
make_migration_entry_read(&entry);
- set_pte_at(mm, addr, pte,
- swp_entry_to_pte(entry));
+ newpte = swp_entry_to_pte(entry);
+ if (pte_swp_soft_dirty(oldpte))
+ newpte = pte_swp_mksoft_dirty(newpte);
+ set_pte_at(mm, addr, pte, newpte);
}
pages++;
}
}
pages++;
}
@@
-145,7
+148,7
@@
static inline unsigned long change_pmd_range(struct vm_area_struct *vma,
split_huge_page_pmd(vma, addr, pmd);
else if (change_huge_pmd(vma, pmd, addr, newprot,
prot_numa)) {
split_huge_page_pmd(vma, addr, pmd);
else if (change_huge_pmd(vma, pmd, addr, newprot,
prot_numa)) {
- pages
+= HPAGE_PMD_NR
;
+ pages
++
;
continue;
}
/* fall through */
continue;
}
/* fall through */