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22 lines
1.2 KiB
Text
22 lines
1.2 KiB
Text
Prelink is a program that modifies ELF shared libraries and ELF
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dynamically linked binaries in such a way that the time needed for
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the dynamic linker to perform relocations at start-up significantly
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decreases. Due to fewer relocations, the run-time memory consumption
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decreases as well (especially the number of unsharable pages). The
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prelinking information is only used at start-up time if none of the
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dependent libraries have changed since prelinking; otherwise programs
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are relocated normally.
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There's a script for prelink suitable for a cron job which can be found
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at /usr/doc/prelink-$VERSION. Before setting up a cron job, First run
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prelink on the system then read script and modify it if you think it's
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needed.
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WARNING: Non-prelinked binaries may cause SEGFAULT in prelinked
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systems using prelinked libraries. If some programs crashes with
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SEGFAULT while calling system libraries then run prelink on the
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programs in question. The prelink-all script ,which can be found in
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/usr/doc/prelink-$VERSION, can be used to prelink all system as a root.
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In same place as prelink-all script, there is a prelink-undo script to
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undo prelink system wide. Run it as root and it will undo the prelink
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system wide.
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