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authorMiaohe Lin <linmiaohe@huawei.com>2022-06-25 12:28:15 +0300
committerakpm <akpm@linux-foundation.org>2022-07-04 04:08:51 +0300
commit081c32564bac58365be53b905721c9ba2300819a (patch)
tree5f5cee3d85708f26eb89b508903a9c64f8ff5fd8 /mm/khugepaged.c
parent6dcdc94db1d45da0e40b6947888098b9daf9eda6 (diff)
downloadlinux-081c32564bac58365be53b905721c9ba2300819a.tar.xz
mm/khugepaged: remove unneeded return value of khugepaged_add_pte_mapped_thp()
The return value of khugepaged_add_pte_mapped_thp() is always 0 and also ignored. Remove it to clean up the code. Link: https://lkml.kernel.org/r/20220625092816.4856-7-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Zach O'Keefe <zokeefe@google.com> Reviewed-by: Yang Shi <shy828301@gmail.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Howells <dhowells@redhat.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: NeilBrown <neilb@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/khugepaged.c')
-rw-r--r--mm/khugepaged.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 6a969c0633a9..08e885f28def 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1371,8 +1371,8 @@ static void collect_mm_slot(struct mm_slot *mm_slot)
* Notify khugepaged that given addr of the mm is pte-mapped THP. Then
* khugepaged should try to collapse the page table.
*/
-static int khugepaged_add_pte_mapped_thp(struct mm_struct *mm,
- unsigned long addr)
+static void khugepaged_add_pte_mapped_thp(struct mm_struct *mm,
+ unsigned long addr)
{
struct mm_slot *mm_slot;
@@ -1383,7 +1383,6 @@ static int khugepaged_add_pte_mapped_thp(struct mm_struct *mm,
if (likely(mm_slot && mm_slot->nr_pte_mapped_thp < MAX_PTE_MAPPED_THP))
mm_slot->pte_mapped_thp[mm_slot->nr_pte_mapped_thp++] = addr;
spin_unlock(&khugepaged_mm_lock);
- return 0;
}
static void collapse_and_free_pmd(struct mm_struct *mm, struct vm_area_struct *vma,