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Fix typo in comment
SLRU_SEGMENTS_PER_PAGE -> SLRU_PAGES_PER_SEGMENT
I introduced this ancient typo in subtrans.c and later propagated it to
multixact.c. I fixed the latter in f741300c
, but only back to 9.3;
backpatch to all supported branches for consistency.
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5b6938186a
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5feebfed83
src/backend/access/transam
@ -70,7 +70,7 @@
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* Note: because both MultiXactOffsets and TransactionIds are 32 bits and
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* wrap around at 0xFFFFFFFF, MultiXact page numbering also wraps around at
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* 0xFFFFFFFF/MULTIXACT_*_PER_PAGE, and segment numbering at
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* 0xFFFFFFFF/MULTIXACT_*_PER_PAGE/SLRU_SEGMENTS_PER_PAGE. We need take no
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* 0xFFFFFFFF/MULTIXACT_*_PER_PAGE/SLRU_PAGES_PER_SEGMENT. We need take no
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* explicit notice of that fact in this module, except when comparing segment
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* and page numbers in TruncateMultiXact
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* (see MultiXact{Offset,Member}PagePrecedes).
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@ -42,7 +42,7 @@
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* Note: because TransactionIds are 32 bits and wrap around at 0xFFFFFFFF,
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* SubTrans page numbering also wraps around at
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* 0xFFFFFFFF/SUBTRANS_XACTS_PER_PAGE, and segment numbering at
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* 0xFFFFFFFF/SUBTRANS_XACTS_PER_PAGE/SLRU_SEGMENTS_PER_PAGE. We need take no
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* 0xFFFFFFFF/SUBTRANS_XACTS_PER_PAGE/SLRU_PAGES_PER_SEGMENT. We need take no
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* explicit notice of that fact in this module, except when comparing segment
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* and page numbers in TruncateSUBTRANS (see SubTransPagePrecedes).
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*/
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