Re: Something is broken in repack

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Nicolas Pitre <nico@xxxxxxx> writes:

> On Mon, 10 Dec 2007, Junio C Hamano wrote:
>
>> "Jon Smirl" <jonsmirl@xxxxxxxxx> writes:
>> 
>> > 95%   530  2.8G - 1,420 total to here, previous was 1,983
>> > 100% 1390 2.85G
>> > During the writing phase RAM fell to 1.6G
>> > What is being freed in the writing phase??
>> 
>> entry->delta_data is the only thing I can think of that are freed
>> in the function that have been allocated much earlier before entering
>> the function.
>
> Yet all ->delta-data instances are limited to 256MB according to Jon's 
> config.

Maybe address space fragmentation is involved here?  malloc/free for
large areas works using mmap in glibc.  There must be enough
_contiguous_ space for a new allocation to succeed.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum
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