Re: [PATCH 2/2] hugetlb: rename hugepage_migration_support() to ..._supported()

From: Hugh Dickins
Date: Fri May 30 2014 - 08:03:20 EST


On Fri, 30 May 2014, Naoya Horiguchi wrote:

> We already have a function named hugepage_supported(), and the similar

hugepages_supported()

> name hugepage_migration_support() is a bit unconfortable, so let's rename
> it hugepage_migration_supported().
>
> Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>

Acked-by: Hugh Dickins <hughd@xxxxxxxxxx>

> ---
> include/linux/hugetlb.h | 4 ++--
> mm/hugetlb.c | 2 +-
> mm/migrate.c | 2 +-
> 3 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git v3.15-rc5.orig/include/linux/hugetlb.h v3.15-rc5/include/linux/hugetlb.h
> index c9de64cf288d..9d35e514312b 100644
> --- v3.15-rc5.orig/include/linux/hugetlb.h
> +++ v3.15-rc5/include/linux/hugetlb.h
> @@ -385,7 +385,7 @@ static inline pgoff_t basepage_index(struct page *page)
>
> extern void dissolve_free_huge_pages(unsigned long start_pfn,
> unsigned long end_pfn);
> -static inline int hugepage_migration_support(struct hstate *h)
> +static inline int hugepage_migration_supported(struct hstate *h)
> {
> #ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
> return huge_page_shift(h) == PMD_SHIFT;
> @@ -441,7 +441,7 @@ static inline pgoff_t basepage_index(struct page *page)
> return page->index;
> }
> #define dissolve_free_huge_pages(s, e) do {} while (0)
> -#define hugepage_migration_support(h) 0
> +#define hugepage_migration_supported(h) 0
>
> static inline spinlock_t *huge_pte_lockptr(struct hstate *h,
> struct mm_struct *mm, pte_t *pte)
> diff --git v3.15-rc5.orig/mm/hugetlb.c v3.15-rc5/mm/hugetlb.c
> index ea42b584661a..83d936d12c1d 100644
> --- v3.15-rc5.orig/mm/hugetlb.c
> +++ v3.15-rc5/mm/hugetlb.c
> @@ -545,7 +545,7 @@ static struct page *dequeue_huge_page_node(struct hstate *h, int nid)
> /* Movability of hugepages depends on migration support. */
> static inline gfp_t htlb_alloc_mask(struct hstate *h)
> {
> - if (hugepages_treat_as_movable || hugepage_migration_support(h))
> + if (hugepages_treat_as_movable || hugepage_migration_supported(h))
> return GFP_HIGHUSER_MOVABLE;
> else
> return GFP_HIGHUSER;
> diff --git v3.15-rc5.orig/mm/migrate.c v3.15-rc5/mm/migrate.c
> index bed48809e5d0..15b589ae6aaf 100644
> --- v3.15-rc5.orig/mm/migrate.c
> +++ v3.15-rc5/mm/migrate.c
> @@ -1031,7 +1031,7 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
> * tables or check whether the hugepage is pmd-based or not before
> * kicking migration.
> */
> - if (!hugepage_migration_support(page_hstate(hpage))) {
> + if (!hugepage_migration_supported(page_hstate(hpage))) {
> putback_active_hugepage(hpage);
> return -ENOSYS;
> }
> --
> 1.9.3
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