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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>
This commit is contained in:
Miaohe Lin 2022-06-25 17:28:15 +08:00 committed by akpm
parent 6dcdc94db1
commit 081c32564b
1 changed files with 2 additions and 3 deletions
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5
mm/khugepaged.c
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@ -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,