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Don't use MADV_RANDOM #940

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8 changes: 0 additions & 8 deletions bolt_unix.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@
package bbolt

import (
"fmt"
"syscall"
"time"
"unsafe"
Expand Down Expand Up @@ -58,13 +57,6 @@ func mmap(db *DB, sz int) error {
return err
}

// Advise the kernel that the mmap is accessed randomly.
err = unix.Madvise(b, syscall.MADV_RANDOM)
if err != nil && err != syscall.ENOSYS {
// Ignore not implemented error in kernel because it still works.
return fmt.Errorf("madvise: %s", err)
}

// Save the original byte slice and convert to a byte array pointer.
db.dataref = b
db.data = (*[maxMapSize]byte)(unsafe.Pointer(&b[0]))
Expand Down