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use remap_pfn_range() in rus_vm_fault() for kernel versions newer than 3.0

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Balazs Gerofi
2015-02-19 13:52:55 -08:00
parent 0307f6a6cc
commit 3d426ada01
1 changed files with 9 additions and 0 deletions
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9
executer/kernel/syscall.c
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@@ -330,7 +330,16 @@ out:
* These problems may be solved in linux-3.7. * These problems may be solved in linux-3.7.
* It uses vm_insert_pfn() until it is fixed. * It uses vm_insert_pfn() until it is fixed.
*/ */
/* TODO: figure out the correct Linux kernel version for this check,
* as for now, ihk-smp-x86 reloading works fine on 3.x.x kernels
* using remap_pfn_range().
*/
#if LINUX_VERSION_CODE > KERNEL_VERSION(3,0,0)
#define USE_VM_INSERT_PFN 0
#else
#define USE_VM_INSERT_PFN 1 #define USE_VM_INSERT_PFN 1
#endif
static int rus_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) static int rus_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{ {