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    Subject[-mm patch] fs/xfs/linux-2.6/xfs_linux.h: #if CONFIG_SMP -> #ifdef CONFIG_SMP
    On Tue, Feb 07, 2006 at 10:06:27PM -0800, Andrew Morton wrote:
    >...
    > Changes since 2.6.16-rc1-mm5:
    >...
    > git-xfs.patch
    >...
    > Git trees
    >...

    When compiling with gcc 4.0 and CONFIG_SMP unset, there are tons of the
    following warnings:

    <-- snip -->

    ...
    CC fs/xfs/quota/xfs_dquot_item.o
    In file included from fs/xfs/xfs.h:20,
    from fs/xfs/quota/xfs_dquot_item.c:18:
    fs/xfs/linux-2.6/xfs_linux.h:103:5: warning: "CONFIG_SMP" is not defined
    CC fs/xfs/quota/xfs_trans_dquot.o
    In file included from fs/xfs/xfs.h:20,
    from fs/xfs/quota/xfs_trans_dquot.c:18:
    fs/xfs/linux-2.6/xfs_linux.h:103:5: warning: "CONFIG_SMP" is not defined
    CC fs/xfs/quota/xfs_qm_syscalls.o
    In file included from fs/xfs/xfs.h:20,
    from fs/xfs/quota/xfs_qm_syscalls.c:21:
    fs/xfs/linux-2.6/xfs_linux.h:103:5: warning: "CONFIG_SMP" is not defined
    ...

    <-- snip -->


    Signed-off-by: Adrian Bunk <bunk@stusta.de>

    --- linux-2.6.16-rc2-mm1-full/fs/xfs/linux-2.6/xfs_linux.h.old 2006-02-10 12:17:32.000000000 +0100
    +++ linux-2.6.16-rc2-mm1-full/fs/xfs/linux-2.6/xfs_linux.h 2006-02-10 12:18:05.000000000 +0100
    @@ -100,7 +100,7 @@
    */
    #undef HAVE_REFCACHE /* reference cache not needed for NFS in 2.6 */
    #define HAVE_SENDFILE /* sendfile(2) exists in 2.6, but not in 2.4 */
    -#if CONFIG_SMP
    +#ifdef CONFIG_SMP
    #define HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */
    #else
    #undef HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */
    -
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