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mm: remove redundant return in set_huge_zero_folio()

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It is the responsibility of the caller to check pmd_none(); in any case,
we are not achieving anything by returning since there is no return value
to tell the caller that we succeeded or not.  So remove this check.

Link: https://lkml.kernel.org/r/20250306144315.21907-1-dev.jain@arm.com
Signed-off-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcow (Oracle) <willy@infradead.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Dev Jain 2025-03-06 20:13:15 +05:30 committed by Andrew Morton
parent 105f830fa3
commit 11e88e9265
1 changed files with 0 additions and 2 deletions
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2
mm/huge_memory.c
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@ -1309,8 +1309,6 @@ static void set_huge_zero_folio(pgtable_t pgtable, struct mm_struct *mm,
struct folio *zero_folio) struct folio *zero_folio)
{ {
pmd_t entry; pmd_t entry;
if (!pmd_none(*pmd))
return;
entry = mk_pmd(&zero_folio->page, vma->vm_page_prot); entry = mk_pmd(&zero_folio->page, vma->vm_page_prot);
entry = pmd_mkhuge(entry); entry = pmd_mkhuge(entry);
pgtable_trans_huge_deposit(mm, pmd, pgtable); pgtable_trans_huge_deposit(mm, pmd, pgtable);