lkml.org 
[lkml]   [1999]   [Feb]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Limit on number of SYSV shared memory objects in the kernel
    On Mon, 22 Feb 1999, Fredrick Meunier wrote:

    > Hello all,
    > My company has an application that relies on creating 100s of SYSV
    > semaphore arrays to control many processes reading a block of SYSV
    > shared memory. The default limit on the number of these objects in Linux
    > seems to be around 100. Is it possible to increase the number of these
    > objects that are available to the 1000 range (without reducing SHMMAX,
    > in fact preferably being able to increase SHMMAX to arbitrary size would
    > be very useful too)? What would it take to be able to allow this?
    >
    I think SHMMAX is run-time configurable up to a gigabyte...
    /proc/sys/kernel/shmmax
    haven't checked out the semaphore array limits yet so can't say anything
    about them yet ;)


    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.rutgers.edu
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:50    [W:2.755 / U:0.436 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site