b_pfn 138 block/blk-settings.c unsigned long b_pfn = max_addr >> PAGE_SHIFT; b_pfn 148 block/blk-settings.c if (b_pfn < (min_t(u64, 0xffffffffUL, BLK_BOUNCE_HIGH) >> PAGE_SHIFT)) b_pfn 150 block/blk-settings.c q->limits.bounce_pfn = max(max_low_pfn, b_pfn); b_pfn 152 block/blk-settings.c if (b_pfn < blk_max_low_pfn) b_pfn 154 block/blk-settings.c q->limits.bounce_pfn = b_pfn; b_pfn 159 block/blk-settings.c q->limits.bounce_pfn = b_pfn;