[lkml]   [2008]   [Jun]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectHow to alloc highmem page below 4GB on i386?
    Simple question. How do I allocate a page from highmem, that's still
    within 32 bits? x86_64 has the DMA32 zone, but i386 has just HIGHMEM.
    As most devices can't DMA above 32 bit, I have 3 GB of memory that's
    not getting decent usage (or results in needless bouncing). What to do?

    I tried just enabling CONFIG_DMA32 for i386, but there is some guard
    against too many memory zones. I'm assuming this is there for a good

    -- Pierre Ossman

    Linux kernel, MMC maintainer
    rdesktop, core developer

    WARNING: This correspondence is being monitored by the
    Swedish government. Make sure your server uses encryption
    for SMTP traffic and consider using PGP for end-to-end
    [unhandled content-type:application/pgp-signature]
     \ /
      Last update: 2008-06-30 20:05    [W:0.018 / U:4.420 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site