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| author | Ingo Molnar <mingo@kernel.org> | 2017-08-10 12:02:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-10 12:02:26 +0200 |
| commit | 1ccb2f4e8e435a53bb378e8b092087f091754aa6 (patch) | |
| tree | ba120509947138915e06ad39cca5f065bd99f42f /arch/sparc/mm/init_64.c | |
| parent | c3a3800fe46f00ceeeb181cc07cc4fdaed4574f1 (diff) | |
| parent | 9b231d9f47c6114d317ce28cff92a74ad80547f5 (diff) | |
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/sparc/mm/init_64.c')
| -rw-r--r-- | arch/sparc/mm/init_64.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 3c40ebd50f92..fed73f14aa49 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -325,6 +325,29 @@ static void __update_mmu_tsb_insert(struct mm_struct *mm, unsigned long tsb_inde } #ifdef CONFIG_HUGETLB_PAGE +static void __init add_huge_page_size(unsigned long size) +{ + unsigned int order; + + if (size_to_hstate(size)) + return; + + order = ilog2(size) - PAGE_SHIFT; + hugetlb_add_hstate(order); +} + +static int __init hugetlbpage_init(void) +{ + add_huge_page_size(1UL << HPAGE_64K_SHIFT); + add_huge_page_size(1UL << HPAGE_SHIFT); + add_huge_page_size(1UL << HPAGE_256MB_SHIFT); + add_huge_page_size(1UL << HPAGE_2GB_SHIFT); + + return 0; +} + +arch_initcall(hugetlbpage_init); + static int __init setup_hugepagesz(char *string) { unsigned long long hugepage_size; @@ -364,7 +387,7 @@ static int __init setup_hugepagesz(char *string) goto out; } - hugetlb_add_hstate(hugepage_shift - PAGE_SHIFT); + add_huge_page_size(hugepage_size); rc = 1; out: |