lkml.org 
[lkml]   [2009]   [May]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: [PATCH -mm] vmscan: make mapped executable pages the first class citizen
    From
    Hi

    >> Secondly it moves the pressure from the storage volume holding the system
    >> binaries and libraries to the swap device which already has to deal with
    >> a lot of random (and thus expensive) I/O, as well as the users filestore
    >> for mapped objects there - which may even be on a USB thumbdrive.
    >
    > Preserving the PROT_EXEC pages over streaming IO should not
    > move much (if any) pressure from the file LRUs onto the
    > swap-backed (anon) LRUs.

    I don't think this is good example.
    this issue is already solved by your patch. Thus this patch don't
    improve streaming IO issue.


    \
     
     \ /
      Last update: 2009-05-10 17:03    [W:4.189 / U:0.812 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site