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[Bug ld/11618] New: Add an option to page-align .bss


From: tglek at mozilla dot com
Subject: [Bug ld/11618] New: Add an option to page-align .bss
Date: 21 May 2010 23:32:40 -0000

The dynamic linker memset(0)ing .bss causes an extra pagefault due to the
kernel's COW. For firefox 10% of our cold startup page faults are caused by
memset(0)ing .bss once for every library.

One could stick prelink data, .gnu.* metadata, etc infront of .bss to minimize
executable bloat.

-- 
           Summary: Add an option to page-align .bss
           Product: binutils
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: tglek at mozilla dot com
                CC: bug-binutils at gnu dot org


http://sourceware.org/bugzilla/show_bug.cgi?id=11618

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