Source of kexec_file.c - linux-imx - PHYTEC BitBucket (Stash)

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}
#else
static int kexec_walk_memblock(struct kexec_buf *kbuf,
                   int (*func)(struct resource *, void *))
{
    int ret = 0;
    u64 i;
    phys_addr_t mstart, mend;
    struct resource res = { };
​
    if (kbuf->image->type == KEXEC_TYPE_CRASH)
        return func(&crashk_res, kbuf);
​
    if (kbuf->top_down) {
        for_each_free_mem_range_reverse(i, NUMA_NO_NODE, 0,
        for_each_free_mem_range_reverse(i, NUMA_NO_NODE, MEMBLOCK_NONE,
                        &mstart, &mend, NULL) {
            /*
             * In memblock, end points to the first byte after the
             * range while in kexec, end points to the last byte
             * in the range.
             */
            res.start = mstart;
            res.end = mend - 1;
            ret = func(&res, kbuf);
            if (ret)
                break;
        }
    } else {
        for_each_free_mem_range(i, NUMA_NO_NODE, 0, &mstart, &mend,
                    NULL) {
        for_each_free_mem_range(i, NUMA_NO_NODE, MEMBLOCK_NONE,
                    &mstart, &mend, NULL) {
            /*
             * In memblock, end points to the first byte after the
             * range while in kexec, end points to the last byte
             * in the range.
             */
            res.start = mstart;
            res.end = mend - 1;
            ret = func(&res, kbuf);
            if (ret)
                break;