mm/hugetlb.c: make is_hugetlb_entry_hwpoisoned return bool

Patch series "mm/hugetlb: Small cleanup and improvement", v2.

This patch (of 3):

Just like its neighbour is_hugetlb_entry_migration() has done.

Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lkml.kernel.org/r/20200723032248.24772-1-bhe@redhat.com
Link: https://lkml.kernel.org/r/20200723032248.24772-2-bhe@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 67fc638..57b96c1 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3805,17 +3805,17 @@ bool is_hugetlb_entry_migration(pte_t pte)
                return false;
 }
 
-static int is_hugetlb_entry_hwpoisoned(pte_t pte)
+static bool is_hugetlb_entry_hwpoisoned(pte_t pte)
 {
        swp_entry_t swp;
 
        if (huge_pte_none(pte) || pte_present(pte))
-               return 0;
+               return false;
        swp = pte_to_swp_entry(pte);
        if (non_swap_entry(swp) && is_hwpoison_entry(swp))
-               return 1;
+               return true;
        else
-               return 0;
+               return false;
 }
 
 int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,