| #ifndef __BACKPORT_MM_H |
| #define __BACKPORT_MM_H |
| #include_next <linux/mm.h> |
| |
| #ifndef VM_NODUMP |
| /* |
| * defined here to allow things to compile but technically |
| * using this for memory regions will yield in a no-op on newer |
| * kernels but on older kernels (v3.3 and older) this bit was used |
| * for VM_ALWAYSDUMP. The goal was to remove this bit moving forward |
| * and since we can't skip the core dump on old kernels we just make |
| * this bit name now a no-op. |
| * |
| * For details see commits: 909af7 accb61fe cdaaa7003 |
| */ |
| #define VM_NODUMP 0x0 |
| #endif |
| |
| #ifndef VM_DONTDUMP |
| #define VM_DONTDUMP VM_NODUMP |
| #endif |
| |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,8,0)) |
| #define vm_iomap_memory LINUX_BACKPORT(vm_iomap_memory) |
| int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len); |
| #endif |
| |
| #endif /* __BACKPORT_MM_H */ |
