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D22748.1793407533.diff
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Index: head/sys/vm/uma_core.c
===================================================================
--- head/sys/vm/uma_core.c
+++ head/sys/vm/uma_core.c
@@ -289,6 +289,7 @@
static int sysctl_vm_zone_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_handle_uma_zone_allocs(SYSCTL_HANDLER_ARGS);
static int sysctl_handle_uma_zone_frees(SYSCTL_HANDLER_ARGS);
+static int sysctl_handle_uma_zone_flags(SYSCTL_HANDLER_ARGS);
#ifdef INVARIANTS
static bool uma_dbg_kskip(uma_keg_t keg, void *mem);
@@ -1896,8 +1897,9 @@
oid = zone->uz_oid;
SYSCTL_ADD_U32(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
"size", CTLFLAG_RD, &zone->uz_size, 0, "Allocation size");
- SYSCTL_ADD_U32(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
- "flags", CTLFLAG_RD, &zone->uz_flags, 0,
+ SYSCTL_ADD_PROC(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
+ "flags", CTLFLAG_RD | CTLTYPE_STRING | CTLFLAG_MPSAFE,
+ zone, 0, sysctl_handle_uma_zone_flags, "A",
"Allocator configuration flags");
SYSCTL_ADD_U16(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
"bucket_size", CTLFLAG_RD, &zone->uz_bucket_size, 0,
@@ -4406,6 +4408,24 @@
cur = uma_zone_get_frees(zone);
return (sysctl_handle_64(oidp, &cur, 0, req));
+}
+
+static int
+sysctl_handle_uma_zone_flags(SYSCTL_HANDLER_ARGS)
+{
+ struct sbuf sbuf;
+ uma_zone_t zone = arg1;
+ int error;
+
+ sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
+ if (zone->uz_flags != 0)
+ sbuf_printf(&sbuf, "0x%b", zone->uz_flags, PRINT_UMA_ZFLAGS);
+ else
+ sbuf_printf(&sbuf, "0");
+ error = sbuf_finish(&sbuf);
+ sbuf_delete(&sbuf);
+
+ return (error);
}
#ifdef INVARIANTS
Index: head/sys/vm/uma_int.h
===================================================================
--- head/sys/vm/uma_int.h
+++ head/sys/vm/uma_int.h
@@ -420,6 +420,32 @@
#define UMA_ZFLAG_INHERIT \
(UMA_ZFLAG_INTERNAL | UMA_ZFLAG_CACHEONLY | UMA_ZFLAG_BUCKET)
+#define PRINT_UMA_ZFLAGS "\20" \
+ "\40CACHEONLY" \
+ "\37TRASH" \
+ "\36INTERNAL" \
+ "\35BUCKET" \
+ "\34RECLAIMING" \
+ "\33CACHE" \
+ "\22MINBUCKET" \
+ "\21NUMA" \
+ "\20PCPU" \
+ "\17NODUMP" \
+ "\16VTOSLAB" \
+ "\15CACHESPREAD" \
+ "\14MAXBUCKET" \
+ "\13NOBUCKET" \
+ "\12SECONDARY" \
+ "\11HASH" \
+ "\10VM" \
+ "\7MTXCLASS" \
+ "\6NOFREE" \
+ "\5MALLOC" \
+ "\4OFFPAGE" \
+ "\3STATIC" \
+ "\2ZINIT" \
+ "\1PAGEABLE"
+
#undef UMA_ALIGN
#ifdef _KERNEL

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