On 11/3/17, Morris, Don <don.mor...@dell.com> wrote:
>> Modified: head/sys/amd64/amd64/pmap.c
>> ==============================================================================
>> --- head/sys/amd64/amd64/pmap.c Wed Nov 1 16:32:11 2017
>> (r325284)
>> +++ head/sys/amd64/amd64/pmap.c Wed Nov 1 18:06:44 2017
>> (r325285)
>> @@ -2892,8 +2892,8 @@ reclaim_pv_chunk_leave_pmap(pmap_t pmap, pmap_t
>> locked
> > static vm_page_t
> > reclaim_pv_chunk(pmap_t locked_pmap, struct rwlock **lockp)
> > {
>> - struct pv_chunk *pc, *pc_marker;
>> - struct pv_chunk_header pc_marker_b;
>> + struct pv_chunk *pc, *pc_marker, *pc_marker_end;
>> + struct pv_chunk_header pc_marker_b, pc_marker_end_b;
>> struct md_page *pvh;
>> pd_entry_t *pde;
>> pmap_t next_pmap, pmap;
>> @@ -2906,6 +2906,7 @@ reclaim_pv_chunk(pmap_t locked_pmap, struct rwlock
>> **l
>> uint64_t inuse;
>> int bit, field, freed;
>> bool start_di;
>> + static int active_reclaims = 0;
>>
>> PMAP_LOCK_ASSERT(locked_pmap, MA_OWNED);
>> KASSERT(lockp != NULL, ("reclaim_pv_chunk: lockp is NULL"));
>> @@ -2914,7 +2915,9 @@ reclaim_pv_chunk(pmap_t locked_pmap, struct rwlock
>> **l
>> PG_G = PG_A = PG_M = PG_RW = 0;
>> SLIST_INIT(&free);
>> bzero(&pc_marker_b, sizeof(pc_marker_b));
>> + bzero(&pc_marker_end, sizeof(pc_marker_end));
>> pc_marker = (struct pv_chunk *)&pc_marker_b;
>> + pc_marker_end = (struct pv_chunk *)&pc_marker_end_b;
>
> Shouldn't the additional bzero here be of pc_marker_end_b, not
> pc_marker_end? Minor bug -- but just saying...
Sure, sizeof(pointer) returns 8 (on amd64) instead of sizeof(struct).
>
> Don Morris
> (Statements are not those of my employer, etc, etc...)
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