diff options
Diffstat (limited to 'arch/x86/mm/pat.c')
| -rw-r--r-- | arch/x86/mm/pat.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 7cc71d86848..57a2af36d6e 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -246,6 +246,7 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, struct memtype *saved_ptr; if (parse->start >= end) { + printk("New Entry\n"); list_add(&new_entry->nd, parse->nd.prev); new_entry = NULL; break; @@ -295,6 +296,8 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, break; } + printk("Overlap at 0x%Lx-0x%Lx\n", + saved_ptr->start, saved_ptr->end); /* No conflict. Go ahead and add this new entry */ list_add(&new_entry->nd, saved_ptr->nd.prev); new_entry = NULL; @@ -345,6 +348,8 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, break; } + printk("Overlap at 0x%Lx-0x%Lx\n", + saved_ptr->start, saved_ptr->end); /* No conflict. Go ahead and add this new entry */ list_add(&new_entry->nd, &saved_ptr->nd); new_entry = NULL; @@ -353,6 +358,10 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, } if (err) { + printk( + "reserve_memtype failed 0x%Lx-0x%Lx, track %s, req %s\n", + start, end, cattr_name(new_entry->type), + cattr_name(req_type)); kfree(new_entry); spin_unlock(&memtype_lock); return err; @@ -361,6 +370,19 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, if (new_entry) { /* No conflict. Not yet added to the list. Add to the tail */ list_add_tail(&new_entry->nd, &memtype_list); + printk("New Entry\n"); + } + + if (ret_type) { + printk( + "reserve_memtype added 0x%Lx-0x%Lx, track %s, req %s, ret %s\n", + start, end, cattr_name(actual_type), + cattr_name(req_type), cattr_name(*ret_type)); + } else { + printk( + "reserve_memtype added 0x%Lx-0x%Lx, track %s, req %s\n", + start, end, cattr_name(actual_type), + cattr_name(req_type)); } spin_unlock(&memtype_lock); @@ -397,6 +419,8 @@ int free_memtype(u64 start, u64 end) printk(KERN_DEBUG "%s:%d freeing invalid memtype %Lx-%Lx\n", current->comm, current->pid, start, end); } + + printk( "free_memtype request 0x%Lx-0x%Lx\n", start, end); return err; } |