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    Subject[PATCH 01/24] x86: Make smp_locks end with page alignment
    Date
    Try to fix
    ------------[ cut here ]------------
    WARNING: at arch/x86/mm/init.c:342 free_init_pages+0x4c/0xfa()
    free_init_pages: range [0x40daf000, 0x40db5c24] is not aligned
    Modules linked in:
    Pid: 0, comm: swapper Not tainted 2.6.34-rc2-tip-03946-g4f16b23-dirty #50
    Call Trace:
    [<40232e9f>] warn_slowpath_common+0x65/0x7c
    [<4021c9f0>] ? free_init_pages+0x4c/0xfa
    [<40881434>] ? _etext+0x0/0x24
    [<40232eea>] warn_slowpath_fmt+0x24/0x27
    [<4021c9f0>] free_init_pages+0x4c/0xfa
    [<40881434>] ? _etext+0x0/0x24
    [<40d3f4bd>] alternative_instructions+0xf6/0x100
    [<40d3fe4f>] check_bugs+0xbd/0xbf
    [<40d398a7>] start_kernel+0x2d5/0x2e4
    [<40d390ce>] i386_start_kernel+0xce/0xd5
    ---[ end trace 4eaa2a86a8e2da22 ]---

    Comments in vmlinux.lds.S already said:
    | /*
    | * smp_locks might be freed after init
    | * start/end must be page aligned
    | */

    Signed-off-by: Yinghai Lu <yinghai@kernel.org>
    ---
    arch/x86/kernel/vmlinux.lds.S | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
    index 44879df..2cc2497 100644
    --- a/arch/x86/kernel/vmlinux.lds.S
    +++ b/arch/x86/kernel/vmlinux.lds.S
    @@ -291,8 +291,8 @@ SECTIONS
    .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
    __smp_locks = .;
    *(.smp_locks)
    - __smp_locks_end = .;
    . = ALIGN(PAGE_SIZE);
    + __smp_locks_end = .;
    }

    #ifdef CONFIG_X86_64
    --
    1.6.4.2


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