Re: [crash] Re: Latest brk patchset

From: Yinghai Lu
Date: Mon Mar 16 2009 - 14:32:58 EST


H. Peter Anvin wrote:
> Yinghai Lu wrote:
>>
>> need more extra check for INIT_MAP_SIZE calculating...
>>
>
> The original calculation was designed to map enough memory that we could
> map all of lowmem. That is, two page table levels removed from actual
> lowmem, which put the overhead in the order of kilobytes (16 K in the
> wost case.) Something similar is definitely needed.
>
or find_early_table_space() has some problem? that estimating could be oversized ...

YH
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