[lkml]   [2007]   [Sep]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [00/41] Large Blocksize Support V7 (adds memmap support)
    On Tue, 11 Sep 2007, Nick Piggin wrote:

    > It would be interesting to craft an attack. If you knew roughly the layout
    > and size of your dentry slab for example... maybe you could stat a whole
    > lot of files, then open one and keep it open (maybe post the fd to a unix
    > socket or something crazy!) when you think you have filled up a couple
    > of MB worth of them. Repeat the process until your movable zone is
    > gone. Or do the same things with pagetables, or task structs, or radix
    > tree nodes, etc.. these are the kinds of things I worry about (as well as
    > just the gradual natural degredation).

    I guess you would have to run that without my targeted slab reclaim
    patchset? Otherwise the slab that are in the way could be reclaimed and
    you could not produce your test case.
    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: 2007-09-11 22:21    [W:0.029 / U:30.656 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site