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<chapter Id="runtime">

<para>

<varname>SHMALL</> is measured in 4KB pages on this platform,

and recent releases of OS X reject attempts to set

<varname>SHMALL</>and <varname>SHMMAX</> to a value

that isn't an exactmultiple of 4096.

and <varname>SHMMAX</> to a value that isn't an exact

multiple of 4096.

</para>

</listitem>

</varlistentry>