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more detailed report in memory management error path

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This commit is contained in:
Balazs Gerofi bgerofi@riken.jp
2014-05-22 17:27:39 +09:00
parent 6a8e75dda0
commit badb450153
4 changed files with 16 additions and 3 deletions
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9
kernel/process.c
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@@ -440,6 +440,8 @@ int update_process_page_table(struct process *process,
if (ihk_mc_pt_set_large_page(process->vm->page_table, (void *)p,
pa, attr) != 0) {
kprintf("ERROR: setting large page for 0x%lX -> 0x%lX\n",
p, pa);
goto err;
}
@@ -452,6 +454,7 @@ int update_process_page_table(struct process *process,
#endif
if(ihk_mc_pt_set_page(process->vm->page_table, (void *)p,
pa, attr) != 0){
kprintf("ERROR: setting page for 0x%lX -> 0x%lX\n", p, pa);
goto err;
}
@@ -593,8 +596,8 @@ int free_process_memory_range(struct process_vm *vm, struct vm_range *range)
intptr_t lpend;
#endif /* USE_LARGE_PAGES */
dkprintf("free_process_memory_range(%p,%lx-%lx)\n",
vm, start0, end0);
dkprintf("free_process_memory_range(%p, 0x%lx - 0x%lx)\n",
vm, range->start, range->end);
start = range->start;
end = range->end;
@@ -799,6 +802,7 @@ int add_process_memory_range(struct process *process,
range = kmalloc(sizeof(struct vm_range), IHK_MC_AP_NOWAIT);
if (!range) {
kprintf("ERROR: allocating pages for range\n");
return -ENOMEM;
}
INIT_LIST_HEAD(&range->list);
@@ -832,6 +836,7 @@ int add_process_memory_range(struct process *process,
rc = update_process_page_table(process, range, phys, 0);
}
if(rc != 0){
kprintf("ERROR: preparing page tables\n");
kfree(range);
return rc;
}