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Full Discussion: Linux Page Sharing
Top Forums UNIX for Advanced & Expert Users Linux Page Sharing Post 302556270 by Corona688 on Saturday 17th of September 2011 02:47:32 PM
Old 09-17-2011
Quote:
Originally Posted by kumaran_5555
2. What about pages where the program text is stored ? are they shared between two unrelated processes (by unrelated i mean they have no parent/child/sibling relationship) ?
No merging is necessary to share program text -- program text is 100% shared already, because it's loaded with memory mapping.

It's easy to share file-backed memory maps because they're not anonymous. No contents need to be checked, just locations. Map the same location, get the same pages.
 

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