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    Subject[PATCH] [18/45] x86_64: 0 -> NULL, for arch/x86_64
    Date

    From: Yoann Padioleau <padator@wanadoo.fr>

    When comparing a pointer, it's clearer to compare it to NULL than to 0.

    Signed-off-by: Yoann Padioleau <padator@wanadoo.fr>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Cc: ak@suse.de
    Cc: discuss@x86-64.org
    Cc: akpm@linux-foundation.org
    ---

    arch/x86_64/mm/numa.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    Index: linux/arch/x86_64/mm/numa.c
    ===================================================================
    --- linux.orig/arch/x86_64/mm/numa.c
    +++ linux/arch/x86_64/mm/numa.c
    @@ -166,7 +166,7 @@ early_node_mem(int nodeid, unsigned long
    return __va(mem);
    ptr = __alloc_bootmem_nopanic(size,
    SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS));
    - if (ptr == 0) {
    + if (ptr == NULL) {
    printk(KERN_ERR "Cannot find %lu bytes in node %d\n",
    size, nodeid);
    return NULL;
    -
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