* [PATCH v2] mm/hugetlb: Drop __unmap_hugepage_range definition from hugetlb.h
@ 2021-09-17 16:51 Peter Xu
2021-09-24 10:13 ` David Hildenbrand
0 siblings, 1 reply; 2+ messages in thread
From: Peter Xu @ 2021-09-17 16:51 UTC (permalink / raw)
To: linux-mm, linux-kernel
Cc: Andrew Morton, peterx, Mike Kravetz, John Hubbard, Muchun Song
Remove __unmap_hugepage_range() from the header file, because it is only used
in hugetlb.c.
Suggested-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
---
include/linux/hugetlb.h | 10 ----------
mm/hugetlb.c | 6 +++---
2 files changed, 3 insertions(+), 13 deletions(-)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 1faebe1cd0ed..3cbf60464398 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -143,9 +143,6 @@ void __unmap_hugepage_range_final(struct mmu_gather *tlb,
struct vm_area_struct *vma,
unsigned long start, unsigned long end,
struct page *ref_page);
-void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
- unsigned long start, unsigned long end,
- struct page *ref_page);
void hugetlb_report_meminfo(struct seq_file *);
int hugetlb_report_node_meminfo(char *buf, int len, int nid);
void hugetlb_show_meminfo(void);
@@ -385,13 +382,6 @@ static inline void __unmap_hugepage_range_final(struct mmu_gather *tlb,
BUG();
}
-static inline void __unmap_hugepage_range(struct mmu_gather *tlb,
- struct vm_area_struct *vma, unsigned long start,
- unsigned long end, struct page *ref_page)
-{
- BUG();
-}
-
static inline vm_fault_t hugetlb_fault(struct mm_struct *mm,
struct vm_area_struct *vma, unsigned long address,
unsigned int flags)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 95dc7b83381f..d394d9545c4e 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4426,9 +4426,9 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
return ret;
}
-void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
- unsigned long start, unsigned long end,
- struct page *ref_page)
+static void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
+ unsigned long start, unsigned long end,
+ struct page *ref_page)
{
struct mm_struct *mm = vma->vm_mm;
unsigned long address;
--
2.31.1
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH v2] mm/hugetlb: Drop __unmap_hugepage_range definition from hugetlb.h
2021-09-17 16:51 [PATCH v2] mm/hugetlb: Drop __unmap_hugepage_range definition from hugetlb.h Peter Xu
@ 2021-09-24 10:13 ` David Hildenbrand
0 siblings, 0 replies; 2+ messages in thread
From: David Hildenbrand @ 2021-09-24 10:13 UTC (permalink / raw)
To: Peter Xu, linux-mm, linux-kernel
Cc: Andrew Morton, Mike Kravetz, John Hubbard, Muchun Song
On 17.09.21 18:51, Peter Xu wrote:
> Remove __unmap_hugepage_range() from the header file, because it is only used
> in hugetlb.c.
>
> Suggested-by: Mike Kravetz <mike.kravetz@oracle.com>
> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
> Reviewed-by: John Hubbard <jhubbard@nvidia.com>
> Reviewed-by: Muchun Song <songmuchun@bytedance.com>
> Signed-off-by: Peter Xu <peterx@redhat.com>
> ---
> include/linux/hugetlb.h | 10 ----------
> mm/hugetlb.c | 6 +++---
> 2 files changed, 3 insertions(+), 13 deletions(-)
>
> diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
> index 1faebe1cd0ed..3cbf60464398 100644
> --- a/include/linux/hugetlb.h
> +++ b/include/linux/hugetlb.h
> @@ -143,9 +143,6 @@ void __unmap_hugepage_range_final(struct mmu_gather *tlb,
> struct vm_area_struct *vma,
> unsigned long start, unsigned long end,
> struct page *ref_page);
> -void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
> - unsigned long start, unsigned long end,
> - struct page *ref_page);
> void hugetlb_report_meminfo(struct seq_file *);
> int hugetlb_report_node_meminfo(char *buf, int len, int nid);
> void hugetlb_show_meminfo(void);
> @@ -385,13 +382,6 @@ static inline void __unmap_hugepage_range_final(struct mmu_gather *tlb,
> BUG();
> }
>
> -static inline void __unmap_hugepage_range(struct mmu_gather *tlb,
> - struct vm_area_struct *vma, unsigned long start,
> - unsigned long end, struct page *ref_page)
> -{
> - BUG();
> -}
> -
> static inline vm_fault_t hugetlb_fault(struct mm_struct *mm,
> struct vm_area_struct *vma, unsigned long address,
> unsigned int flags)
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 95dc7b83381f..d394d9545c4e 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -4426,9 +4426,9 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
> return ret;
> }
>
> -void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
> - unsigned long start, unsigned long end,
> - struct page *ref_page)
> +static void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
> + unsigned long start, unsigned long end,
> + struct page *ref_page)
> {
> struct mm_struct *mm = vma->vm_mm;
> unsigned long address;
>
Reviewed-by: David Hildenbrand <david@redhat.com>
--
Thanks,
David / dhildenb
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-09-17 16:51 [PATCH v2] mm/hugetlb: Drop __unmap_hugepage_range definition from hugetlb.h Peter Xu
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