diff options
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/Kconfig | 1 | ||||
-rw-r--r-- | arch/s390/include/asm/hugetlb.h | 8 | ||||
-rw-r--r-- | arch/s390/mm/hugetlbpage.c | 24 | ||||
-rw-r--r-- | arch/s390/mm/init.c | 2 |
4 files changed, 9 insertions, 26 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 2167bce993ff..d6dc6933adc2 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -162,7 +162,6 @@ config S390 select HAVE_LIVEPATCH select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP - select HAVE_MEMBLOCK_NODE_MAP select HAVE_MEMBLOCK_PHYS_MAP select MMU_GATHER_NO_GATHER select HAVE_MOD_ARCH_SPECIFIC diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h index de8f0bf5f238..9ddf4a43a590 100644 --- a/arch/s390/include/asm/hugetlb.h +++ b/arch/s390/include/asm/hugetlb.h @@ -21,13 +21,6 @@ pte_t huge_ptep_get(pte_t *ptep); pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep); -static inline bool is_hugepage_only_range(struct mm_struct *mm, - unsigned long addr, - unsigned long len) -{ - return false; -} - /* * If the arch doesn't supply something else, assume that hugepage * size aligned regions are ok without further preparation. @@ -46,6 +39,7 @@ static inline void arch_clear_hugepage_flags(struct page *page) { clear_bit(PG_arch_1, &page->flags); } +#define arch_clear_hugepage_flags arch_clear_hugepage_flags static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long sz) diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c index 4632d4e26b66..82df06d720e8 100644 --- a/arch/s390/mm/hugetlbpage.c +++ b/arch/s390/mm/hugetlbpage.c @@ -254,25 +254,15 @@ follow_huge_pud(struct mm_struct *mm, unsigned long address, return pud_page(*pud) + ((address & ~PUD_MASK) >> PAGE_SHIFT); } -static __init int setup_hugepagesz(char *opt) +bool __init arch_hugetlb_valid_size(unsigned long size) { - unsigned long size; - char *string = opt; - - size = memparse(opt, &opt); - if (MACHINE_HAS_EDAT1 && size == PMD_SIZE) { - hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT); - } else if (MACHINE_HAS_EDAT2 && size == PUD_SIZE) { - hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); - } else { - hugetlb_bad_size(); - pr_err("hugepagesz= specifies an unsupported page size %s\n", - string); - return 0; - } - return 1; + if (MACHINE_HAS_EDAT1 && size == PMD_SIZE) + return true; + else if (MACHINE_HAS_EDAT2 && size == PUD_SIZE) + return true; + else + return false; } -__setup("hugepagesz=", setup_hugepagesz); static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, unsigned long addr, unsigned long len, diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 87b2d024e75a..b11bcf4da531 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -122,7 +122,7 @@ void __init paging_init(void) memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS); max_zone_pfns[ZONE_NORMAL] = max_low_pfn; - free_area_init_nodes(max_zone_pfns); + free_area_init(max_zone_pfns); } void mark_rodata_ro(void) |