Messages in this thread Patch in this message |  | | From | Muchun Song <> | Subject | [PATCH v7 5/5] mm: sparsemem: move vmemmap related to HugeTLB to CONFIG_HUGETLB_PAGE_FREE_VMEMMAP | Date | Mon, 1 Nov 2021 11:16:51 +0800 |
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The vmemmap_remap_free/alloc are relevant to HugeTLB, so move those functiongs to the scope of CONFIG_HUGETLB_PAGE_FREE_VMEMMAP.
Signed-off-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Barry Song <song.bao.hua@hisilicon.com> --- include/linux/mm.h | 2 ++ mm/sparse-vmemmap.c | 2 ++ 2 files changed, 4 insertions(+)
diff --git a/include/linux/mm.h b/include/linux/mm.h index a7e4a9e7d807..8c85863a067c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -3184,10 +3184,12 @@ static inline void print_vma_addr(char *prefix, unsigned long rip) } #endif +#ifdef CONFIG_HUGETLB_PAGE_FREE_VMEMMAP int vmemmap_remap_free(unsigned long start, unsigned long end, unsigned long reuse); int vmemmap_remap_alloc(unsigned long start, unsigned long end, unsigned long reuse, gfp_t gfp_mask); +#endif void *sparse_buffer_alloc(unsigned long size); struct page * __populate_section_memmap(unsigned long pfn, diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c index c64d1aa3c4b5..8aecd6b3896c 100644 --- a/mm/sparse-vmemmap.c +++ b/mm/sparse-vmemmap.c @@ -34,6 +34,7 @@ #include <asm/pgalloc.h> #include <asm/tlbflush.h> +#ifdef CONFIG_HUGETLB_PAGE_FREE_VMEMMAP /** * struct vmemmap_remap_walk - walk vmemmap page table * @@ -419,6 +420,7 @@ int vmemmap_remap_alloc(unsigned long start, unsigned long end, return 0; } +#endif /* CONFIG_HUGETLB_PAGE_FREE_VMEMMAP */ /* * Allocate a block of memory to be used to back the virtual memory map -- 2.11.0
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