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| author | Muchun Song <songmuchun@bytedance.com> | 2022-04-28 23:16:15 -0700 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-04-28 23:16:15 -0700 |
| commit | 47010c040dec8af6347ec6259104fc13f7e7e30a (patch) | |
| tree | d56dd51f6904cd8e508ba2897c843194e49b80ed /mm | |
| parent | f10f1442c309ccef7a80ba3dc4abde0978e86fb4 (diff) | |
| download | lwn-47010c040dec8af6347ec6259104fc13f7e7e30a.tar.gz lwn-47010c040dec8af6347ec6259104fc13f7e7e30a.zip | |
mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*
The word of "free" is not expressive enough to express the feature of
optimizing vmemmap pages associated with each HugeTLB, rename this keywork
to "optimize". In this patch , cheanup configs to make code more
expressive.
Link: https://lkml.kernel.org/r/20220404074652.68024-4-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/Makefile | 2 | ||||
| -rw-r--r-- | mm/hugetlb_vmemmap.c | 4 | ||||
| -rw-r--r-- | mm/hugetlb_vmemmap.h | 4 | ||||
| -rw-r--r-- | mm/sparse-vmemmap.c | 4 |
4 files changed, 7 insertions, 7 deletions
diff --git a/mm/Makefile b/mm/Makefile index 4cc13f3179a5..6f9ffa968a1a 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -77,7 +77,7 @@ obj-$(CONFIG_FRONTSWAP) += frontswap.o obj-$(CONFIG_ZSWAP) += zswap.o obj-$(CONFIG_HAS_DMA) += dmapool.o obj-$(CONFIG_HUGETLBFS) += hugetlb.o -obj-$(CONFIG_HUGETLB_PAGE_FREE_VMEMMAP) += hugetlb_vmemmap.o +obj-$(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP) += hugetlb_vmemmap.o obj-$(CONFIG_NUMA) += mempolicy.o obj-$(CONFIG_SPARSEMEM) += sparse.o obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c index f25294973398..2655434a946b 100644 --- a/mm/hugetlb_vmemmap.c +++ b/mm/hugetlb_vmemmap.c @@ -188,7 +188,7 @@ #define RESERVE_VMEMMAP_NR 1U #define RESERVE_VMEMMAP_SIZE (RESERVE_VMEMMAP_NR << PAGE_SHIFT) -DEFINE_STATIC_KEY_MAYBE(CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON, +DEFINE_STATIC_KEY_MAYBE(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON, hugetlb_optimize_vmemmap_key); EXPORT_SYMBOL(hugetlb_optimize_vmemmap_key); @@ -276,7 +276,7 @@ void __init hugetlb_vmemmap_init(struct hstate *h) /* * There are only (RESERVE_VMEMMAP_SIZE / sizeof(struct page)) struct - * page structs that can be used when CONFIG_HUGETLB_PAGE_FREE_VMEMMAP, + * page structs that can be used when CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP, * so add a BUILD_BUG_ON to catch invalid usage of the tail struct page. */ BUILD_BUG_ON(__NR_USED_SUBPAGE >= diff --git a/mm/hugetlb_vmemmap.h b/mm/hugetlb_vmemmap.h index 9760537849b5..109b0a53b6fe 100644 --- a/mm/hugetlb_vmemmap.h +++ b/mm/hugetlb_vmemmap.h @@ -10,7 +10,7 @@ #define _LINUX_HUGETLB_VMEMMAP_H #include <linux/hugetlb.h> -#ifdef CONFIG_HUGETLB_PAGE_FREE_VMEMMAP +#ifdef CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP int hugetlb_vmemmap_alloc(struct hstate *h, struct page *head); void hugetlb_vmemmap_free(struct hstate *h, struct page *head); void hugetlb_vmemmap_init(struct hstate *h); @@ -41,5 +41,5 @@ static inline unsigned int hugetlb_optimize_vmemmap_pages(struct hstate *h) { return 0; } -#endif /* CONFIG_HUGETLB_PAGE_FREE_VMEMMAP */ +#endif /* CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP */ #endif /* _LINUX_HUGETLB_VMEMMAP_H */ diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c index 8aecd6b3896c..52f36527bab3 100644 --- a/mm/sparse-vmemmap.c +++ b/mm/sparse-vmemmap.c @@ -34,7 +34,7 @@ #include <asm/pgalloc.h> #include <asm/tlbflush.h> -#ifdef CONFIG_HUGETLB_PAGE_FREE_VMEMMAP +#ifdef CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP /** * struct vmemmap_remap_walk - walk vmemmap page table * @@ -420,7 +420,7 @@ int vmemmap_remap_alloc(unsigned long start, unsigned long end, return 0; } -#endif /* CONFIG_HUGETLB_PAGE_FREE_VMEMMAP */ +#endif /* CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP */ /* * Allocate a block of memory to be used to back the virtual memory map |