enum km_type { KMAP_D(0) KM_BOUNCE_READ, KMAP_D(1) KM_SKB_SUNRPC_DATA, KMAP_D(2) KM_SKB_DATA_SOFTIRQ, KMAP_D(3) KM_USER0, KMAP_D(4) KM_USER1, KMAP_D(5) KM_BIO_SRC_IRQ, KMAP_D(6) KM_BIO_DST_IRQ, KMAP_D(7) KM_PTE0, KMAP_D(8) KM_PTE1, KMAP_D(9) KM_IRQ0, KMAP_D(10) KM_IRQ1, KMAP_D(11) KM_SOFTIRQ0, KMAP_D(12) KM_SOFTIRQ1, KMAP_D(13) KM_SYNC_ICACHE, KMAP_D(14) KM_SYNC_DCACHE, /* UML specific, for copy_*_user - used in do_op_one_page */ KMAP_D(15) KM_UML_USERCOPY, KMAP_D(16) KM_IRQ_PTE, KMAP_D(17) KM_NMI, KMAP_D(18) KM_NMI_PTE, KMAP_D(19) KM_TYPE_NR };
Linux高端内存映射(中)
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