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    Subject[tip:x86/urgent] x86: Add back _end symbol that is missing from Symbol.map
    Commit-ID:  d1e4d37b79e944f6351ae38eb1ca7c9f7b506e76
    Gitweb: http://git.kernel.org/tip/d1e4d37b79e944f6351ae38eb1ca7c9f7b506e76
    Author: Hannes Reinecke <hare@suse.de>
    AuthorDate: Wed, 4 Nov 2009 07:19:32 -0800
    Committer: Ingo Molnar <mingo@elte.hu>
    CommitDate: Sun, 8 Nov 2009 12:05:03 +0100

    x86: Add back _end symbol that is missing from Symbol.map

    With 2.6.31 'crash' on x86_64 falls flat on its face as the
    '_end' symbol is missing from the System.map file.

    The culprit is commit 091e52c3551d3031343df24b573b770b4c6c72b6,
    which moved the '_end' symbol into it's own section. Apparently
    this causes kallsyms to not reference it properly.

    So do not include _end in it's own section.

    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Cc: Sam Ravnborg <sam@ravnborg.org>
    Cc: <stable@kernel.org> # .31.x
    LKML-Reference: <200911041519.nA4FJWEW030164@imap1.linux-foundation.org>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    arch/x86/kernel/vmlinux.lds.S | 4 +---
    1 files changed, 1 insertions(+), 3 deletions(-)

    diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
    index 3c68fe2..b2f811d 100644
    --- a/arch/x86/kernel/vmlinux.lds.S
    +++ b/arch/x86/kernel/vmlinux.lds.S
    @@ -291,9 +291,7 @@ SECTIONS
    __brk_limit = .;
    }

    - .end : AT(ADDR(.end) - LOAD_OFFSET) {
    - _end = .;
    - }
    + _end = .;

    STABS_DEBUG
    DWARF_DEBUG

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