From 7574af1e1b94a4de7a6f63f3a7854a508ab7b0e0 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Fri, 4 Sep 2020 13:27:52 -0400 Subject: [PATCH] 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 --- src/include/storage/buf_internals.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/include/storage/buf_internals.h b/src/include/storage/buf_internals.h index e57f84ee9c..3377fa5676 100644 --- a/src/include/storage/buf_internals.h +++ b/src/include/storage/buf_internals.h @@ -203,7 +203,7 @@ typedef struct BufferDesc * Note that local buffer descriptors aren't forced to be aligned - as there's * no concurrent access to those it's unlikely to be beneficial. * - * We use 64bit as the cache line size here, because that's the most common + * We use a 64-byte cache line size here, because that's the most common * size. Making it bigger would be a waste of memory. Even if running on a * platform with either 32 or 128 byte line sizes, it's good to align to * boundaries and avoid false sharing.