IBM User Guide for Java V7 on Windows > Reference > Command-line options > JVM command-line options > -Xlp option

-Xlp:codecache

Requests the JVM to allocate the JIT code cache by using large page sizes.

-Xlp:codecache:pagesize=<size> (AIX, Linux, and Windows

If the requested large page size is not available, the JVM starts, but the JIT code cache is allocated using a platform-defined size. A warning is displayed when the requested page size is not available. For Java™ 7 service refresh 3, -Xlp:codecache:pagesize=<size> is supported on Linux on x86, Linux on System z, and Windows only.

To obtain the large page sizes available and the current setting, use the -verbose:sizes option. Note the current settings are the requested sizes and not the sizes obtained.

For more information, see Configuring large page memory allocation.

Parent: -Xlp

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