[lkml]   [2003]   [Dec]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: PROBLEM: Linux 2.6.0-test11 only lets me use 1GB out of 2GB ram.
    On Thu, Dec 11, 2003 at 12:33:39AM -0500, Ed Sweetman wrote:
    > I thought highmem wasn't necesarily needed for memory <=2GB? Highmem
    > incurs some performance hits doesn't it and so the urge to move to it
    > with only 2GB is not very attractive. Anyways i'm just interested in if
    > that's the case or not since 2GB is easy to get to these days and i had
    > heard that highmem could be avoided passed the 1GB barrier.

    You're probably thinking of 2:2 split patches.

    2:2 splits are at least technically ABI violations, which is probably
    why this isn't merged etc. Applications sensitive to it are uncommon.

    Yes, the SVR4 i386 ELF/ABI spec literally mandates 0xC0000000 as the
    top of the process address space.

    -- wli
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:59    [W:0.019 / U:12.328 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site