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Yinghai Lu wrote: > some BIOS like to use continus MTRR layout, and may X driver can not add > WB entries for graphical cards when 4g or more RAM installed. > > the patch will change MTRR to discrete. > > mtrr_chunk_size= could be used to have smaller continuous block to hold holes. > default is 256m, could be set according to size of graphics card memory. > > v2: fix -1 for UC checking > v3: default to disable, and need use enable_mtrr_cleanup to enable this feature > skip the var state change warning. > remove next_basek in range_to_mtrr() > v4: correct warning mask. > v5: CONFIG_MTRR_SANITIZER > v6: fix 1g, 2g, 512 aligment with extra hole > v7: gran_sizek to prevent running out of MTRRs. > With this version ( and patch http://lkml.org/lkml/2008/4/29/97 ) applyed on latest linus git tree the box OOPS'es early. Sorry I don't have time right now to write down the part of the OOPS I can see on monitor , I can try to find some time later. In any way OOPS'es on __free_one_page+0x191/0x21e Gabriel | ||||||||||||
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