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Diffstat (limited to 'mm')
-rw-r--r--mm/gup.c2
-rw-r--r--mm/hugetlb.c11
-rw-r--r--mm/memory-failure.c2
-rw-r--r--mm/memory_hotplug.c2
-rw-r--r--mm/mempolicy.c2
-rw-r--r--mm/migrate.c7
6 files changed, 13 insertions, 13 deletions
diff --git a/mm/gup.c b/mm/gup.c
index 407a81d5ca03..3129b754ade3 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1930,7 +1930,7 @@ static long check_and_migrate_movable_pages(unsigned long nr_pages,
* Try to move out any movable page before pinning the range.
*/
if (folio_test_hugetlb(folio)) {
- if (!isolate_huge_page(&folio->page,
+ if (isolate_hugetlb(&folio->page,
&movable_page_list))
isolation_error_count++;
continue;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b36a4ef87a2e..dd9a46ccb79c 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2766,8 +2766,7 @@ retry:
* Fail with -EBUSY if not possible.
*/
spin_unlock_irq(&hugetlb_lock);
- if (!isolate_huge_page(old_page, list))
- ret = -EBUSY;
+ ret = isolate_hugetlb(old_page, list);
spin_lock_irq(&hugetlb_lock);
goto free_new;
} else if (!HPageFreed(old_page)) {
@@ -2843,7 +2842,7 @@ int isolate_or_dissolve_huge_page(struct page *page, struct list_head *list)
if (hstate_is_gigantic(h))
return -ENOMEM;
- if (page_count(head) && isolate_huge_page(head, list))
+ if (page_count(head) && !isolate_hugetlb(head, list))
ret = 0;
else if (!page_count(head))
ret = alloc_and_dissolve_huge_page(h, head, list);
@@ -6960,15 +6959,15 @@ follow_huge_pgd(struct mm_struct *mm, unsigned long address, pgd_t *pgd, int fla
return pte_page(*(pte_t *)pgd) + ((address & ~PGDIR_MASK) >> PAGE_SHIFT);
}
-bool isolate_huge_page(struct page *page, struct list_head *list)
+int isolate_hugetlb(struct page *page, struct list_head *list)
{
- bool ret = true;
+ int ret = 0;
spin_lock_irq(&hugetlb_lock);
if (!PageHeadHuge(page) ||
!HPageMigratable(page) ||
!get_page_unless_zero(page)) {
- ret = false;
+ ret = -EBUSY;
goto unlock;
}
ClearHPageMigratable(page);
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index da39ec8afca8..845369f839e1 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -2178,7 +2178,7 @@ static bool isolate_page(struct page *page, struct list_head *pagelist)
bool lru = PageLRU(page);
if (PageHuge(page)) {
- isolated = isolate_huge_page(page, pagelist);
+ isolated = !isolate_hugetlb(page, pagelist);
} else {
if (lru)
isolated = !isolate_lru_page(page);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 1f1a730c4499..84990a14d51a 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1641,7 +1641,7 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
if (PageHuge(page)) {
pfn = page_to_pfn(head) + compound_nr(head) - 1;
- isolate_huge_page(head, &source);
+ isolate_hugetlb(head, &source);
continue;
} else if (PageTransHuge(page))
pfn = page_to_pfn(head) + thp_nr_pages(page) - 1;
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index d39b01fd52fe..9689919a2829 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -602,7 +602,7 @@ static int queue_pages_hugetlb(pte_t *pte, unsigned long hmask,
/* With MPOL_MF_MOVE, we migrate only unshared hugepage. */
if (flags & (MPOL_MF_MOVE_ALL) ||
(flags & MPOL_MF_MOVE && page_mapcount(page) == 1)) {
- if (!isolate_huge_page(page, qp->pagelist) &&
+ if (isolate_hugetlb(page, qp->pagelist) &&
(flags & MPOL_MF_STRICT))
/*
* Failed to isolate page but allow migrating pages
diff --git a/mm/migrate.c b/mm/migrate.c
index c83b3ae2e285..1d036dec1328 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -133,7 +133,7 @@ static void putback_movable_page(struct page *page)
*
* This function shall be used whenever the isolated pageset has been
* built from lru, balloon, hugetlbfs page. See isolate_migratepages_range()
- * and isolate_huge_page().
+ * and isolate_hugetlb().
*/
void putback_movable_pages(struct list_head *l)
{
@@ -1628,8 +1628,9 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr,
if (PageHuge(page)) {
if (PageHead(page)) {
- isolate_huge_page(page, pagelist);
- err = 1;
+ err = isolate_hugetlb(page, pagelist);
+ if (!err)
+ err = 1;
}
} else {
struct page *head;