e6b2508275
We calculate the amount of uncompressed data we can write by taking the limits into account and halving it to ensure there's room for switching to compression on the fly when storing cores on a tmpfs (eg: due read-only rootfs). But the logic is flawed, as taking into account the size of the tmpfs storage was applied after the halving, so in practice when an uncompressed core file was larger than the tmpfs, we fill it and then fail. Rearrange the logic so that the halving is done after taking into account the tmpfs size.
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