From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> Subject: mm/hugetlb: export hugetlb_entry_migration helper We will be using this later from the ppc64 code. Change the return type to bool. Link: http://lkml.kernel.org/r/1494926612-23928-4-git-send-email-aneesh.kumar@xxxxxxxxxxxxxxxxxx Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> Cc: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Mike Kravetz <kravetz@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/hugetlb.h | 1 + mm/hugetlb.c | 8 ++++---- 2 files changed, 5 insertions(+), 4 deletions(-) diff -puN include/linux/hugetlb.h~mm-hugetlb-export-hugetlb_entry_migration-helper include/linux/hugetlb.h --- a/include/linux/hugetlb.h~mm-hugetlb-export-hugetlb_entry_migration-helper +++ a/include/linux/hugetlb.h @@ -126,6 +126,7 @@ int pud_huge(pud_t pud); unsigned long hugetlb_change_protection(struct vm_area_struct *vma, unsigned long address, unsigned long end, pgprot_t newprot); +bool is_hugetlb_entry_migration(pte_t pte); #else /* !CONFIG_HUGETLB_PAGE */ static inline void reset_vma_resv_huge_pages(struct vm_area_struct *vma) diff -puN mm/hugetlb.c~mm-hugetlb-export-hugetlb_entry_migration-helper mm/hugetlb.c --- a/mm/hugetlb.c~mm-hugetlb-export-hugetlb_entry_migration-helper +++ a/mm/hugetlb.c @@ -3201,17 +3201,17 @@ static void set_huge_ptep_writable(struc update_mmu_cache(vma, address, ptep); } -static int is_hugetlb_entry_migration(pte_t pte) +bool is_hugetlb_entry_migration(pte_t pte) { swp_entry_t swp; if (huge_pte_none(pte) || pte_present(pte)) - return 0; + return false; swp = pte_to_swp_entry(pte); if (non_swap_entry(swp) && is_migration_entry(swp)) - return 1; + return true; else - return 0; + return false; } static int is_hugetlb_entry_hwpoisoned(pte_t pte) _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
