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authorBaolin Wang <baolin.wang@linux.alibaba.com>2026-03-21 14:42:52 +0800
committerAndrew Morton <akpm@linux-foundation.org>2026-04-05 13:53:35 -0700
commit2d46a397472191a10b0df294d64da542bfd1de57 (patch)
tree1677faa1d905c21664d8beba46639677d29d27a8 /include/linux
parent42e26354c4ef28772398b1d71b7477834037305c (diff)
mm: change to return bool for pmdp_clear_flush_young()
The pmdp_clear_flush_young() is used to clear the young flag and flush the TLB, returning whether the young flag was set for this PMD entry. Change the return type to bool to make the intention clearer. Link: https://lkml.kernel.org/r/a668b9a974c0d675e7a41f6973bcbe3336e8b373.1774075004.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org> Acked-by: David Hildenbrand (Arm) <david@kernel.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Ritesh Harjani (IBM) <ritesh.list@gmail.com> Cc: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/pgtable.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 6db900a5d38b..cdd68ed3ae1a 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -536,18 +536,18 @@ bool ptep_clear_flush_young(struct vm_area_struct *vma,
#ifndef __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-extern int pmdp_clear_flush_young(struct vm_area_struct *vma,
- unsigned long address, pmd_t *pmdp);
+bool pmdp_clear_flush_young(struct vm_area_struct *vma,
+ unsigned long address, pmd_t *pmdp);
#else
/*
* Despite relevant to THP only, this API is called from generic rmap code
* under PageTransHuge(), hence needs a dummy implementation for !THP
*/
-static inline int pmdp_clear_flush_young(struct vm_area_struct *vma,
- unsigned long address, pmd_t *pmdp)
+static inline bool pmdp_clear_flush_young(struct vm_area_struct *vma,
+ unsigned long address, pmd_t *pmdp)
{
BUILD_BUG();
- return 0;
+ return false;
}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
#endif