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Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 76ad35df3b1e..22892cdb74ce 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1418,7 +1418,6 @@ static pagemap_entry_t pte_to_pagemap_entry(struct pagemapread *pm,
{
u64 frame = 0, flags = 0;
struct page *page = NULL;
- bool migration = false;
if (pte_present(pte)) {
if (pm->show_pfn)
@@ -1450,7 +1449,6 @@ static pagemap_entry_t pte_to_pagemap_entry(struct pagemapread *pm,
(offset << MAX_SWAPFILES_SHIFT);
}
flags |= PM_SWAP;
- migration = is_migration_entry(entry);
if (is_pfn_swap_entry(entry))
page = pfn_swap_entry_to_page(entry);
if (pte_marker_entry_uffd_wp(entry))
@@ -1459,7 +1457,7 @@ static pagemap_entry_t pte_to_pagemap_entry(struct pagemapread *pm,
if (page && !PageAnon(page))
flags |= PM_FILE;
- if (page && !migration && page_mapcount(page) == 1)
+ if (page && (flags & PM_PRESENT) && page_mapcount(page) == 1)
flags |= PM_MMAP_EXCLUSIVE;
if (vma->vm_flags & VM_SOFTDIRTY)
flags |= PM_SOFT_DIRTY;
@@ -1476,7 +1474,6 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end,
pte_t *pte, *orig_pte;
int err = 0;
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- bool migration = false;
ptl = pmd_trans_huge_lock(pmdp, vma);
if (ptl) {
@@ -1520,14 +1517,13 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end,
if (pmd_swp_uffd_wp(pmd))
flags |= PM_UFFD_WP;
VM_BUG_ON(!is_pmd_migration_entry(pmd));
- migration = is_migration_entry(entry);
page = pfn_swap_entry_to_page(entry);
}
#endif
if (page && !PageAnon(page))
flags |= PM_FILE;
- if (page && !migration && page_mapcount(page) == 1)
+ if (page && (flags & PM_PRESENT) && page_mapcount(page) == 1)
flags |= PM_MMAP_EXCLUSIVE;
for (; addr != end; addr += PAGE_SIZE) {