X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Flinuxapp%2Feal%2Feal_memalloc.c;h=1f553dd2a6c7c81ac0bb81005600ac0c944d3e48;hb=b4953225cea42bb4da370e012a6be41c54c80967;hp=3c608b3d298c7ac89ab9c67bbe9527794146bbe0;hpb=07dcbfe0101f8acc15c89b8fa5750d4f7d1134fe;p=dpdk.git

diff --git a/lib/librte_eal/linuxapp/eal/eal_memalloc.c b/lib/librte_eal/linuxapp/eal/eal_memalloc.c
index 3c608b3d29..1f553dd2a6 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memalloc.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memalloc.c
@@ -807,6 +807,13 @@ eal_memalloc_free_seg_bulk(struct rte_memseg **ms, int n_segs)
 		struct free_walk_param wa;
 		int i, walk_res;
 
+		/* if this page is marked as unfreeable, fail */
+		if (cur->flags & RTE_MEMSEG_FLAG_DO_NOT_FREE) {
+			RTE_LOG(DEBUG, EAL, "Page is not allowed to be freed\n");
+			ret = -1;
+			continue;
+		}
+
 		memset(&wa, 0, sizeof(wa));
 
 		for (i = 0; i < (int)RTE_DIM(internal_config.hugepage_info);
@@ -877,6 +884,21 @@ sync_chunk(struct rte_memseg_list *primary_msl,
 
 	diff_len = RTE_MIN(chunk_len, diff_len);
 
+	/* if we are freeing memory, notify the application */
+	if (!used) {
+		struct rte_memseg *ms;
+		void *start_va;
+		size_t len, page_sz;
+
+		ms = rte_fbarray_get(l_arr, start);
+		start_va = ms->addr;
+		page_sz = (size_t)primary_msl->page_sz;
+		len = page_sz * diff_len;
+
+		eal_memalloc_mem_event_notify(RTE_MEM_EVENT_FREE,
+				start_va, len);
+	}
+
 	for (i = 0; i < diff_len; i++) {
 		struct rte_memseg *p_ms, *l_ms;
 		int seg_idx = start + i;
@@ -902,6 +924,21 @@ sync_chunk(struct rte_memseg_list *primary_msl,
 		}
 	}
 
+	/* if we just allocated memory, notify the application */
+	if (used) {
+		struct rte_memseg *ms;
+		void *start_va;
+		size_t len, page_sz;
+
+		ms = rte_fbarray_get(l_arr, start);
+		start_va = ms->addr;
+		page_sz = (size_t)primary_msl->page_sz;
+		len = page_sz * diff_len;
+
+		eal_memalloc_mem_event_notify(RTE_MEM_EVENT_ALLOC,
+				start_va, len);
+	}
+
 	/* calculate how much we can advance until next chunk */
 	diff_len = used ?
 			rte_fbarray_find_contig_used(l_arr, start) :