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C comment: correct use of 64-"byte" cache line size
Reported-by: Kelly Min Discussion: https://postgr.es/m/CAPSbxatOiQO90LYpSC3+svAU9-sHgDfEP4oFhcEUt_X=DqFA9g@mail.gmail.com Backpatch-through: 9.5
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@ -203,7 +203,7 @@ typedef struct BufferDesc
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* Note that local buffer descriptors aren't forced to be aligned - as there's
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* no concurrent access to those it's unlikely to be beneficial.
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*
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* We use 64bit as the cache line size here, because that's the most common
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* We use a 64-byte cache line size here, because that's the most common
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* size. Making it bigger would be a waste of memory. Even if running on a
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* platform with either 32 or 128 byte line sizes, it's good to align to
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* boundaries and avoid false sharing.
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