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Fix how we align our map to pagesize and sub our bigarray #7

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dinosaure merged 1 commit from fix-map into main 2025-01-07 13:14:50 +00:00
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lib/cachet.ml
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@ -490,7 +490,7 @@ let map ({ fd; map; _ } as t) ~pos:logical_address logical_len =
(len + (1 lsl t.pagesize)) land lnot ((1 lsl t.pagesize) - 1) (len + (1 lsl t.pagesize)) land lnot ((1 lsl t.pagesize) - 1)
else len else len
in in
let off = logical_address land ((t.pagesize lsl 1) - 1) in let off = logical_address land ((1 lsl t.pagesize) - 1) in
if len <= 1 lsl t.pagesize then begin if len <= 1 lsl t.pagesize then begin
let hash = hash 0l (page lsl t.pagesize) land ((1 lsl t.cachesize) - 1) in let hash = hash 0l (page lsl t.pagesize) land ((1 lsl t.cachesize) - 1) in
match t.arr.(hash) with match t.arr.(hash) with