No memory unmapping when shutting down (38278d94) · Commits · 戴 / Bird

sysdep/unix/alloc.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -46,6 +46,8 @@ alloc_sys_page(void)
		return ptr;
		}

		extern int shutting_down; /* Shutdown requested. */

		void *
		alloc_page(void)
		{
		@@ -58,7 +60,7 @@ alloc_page(void)

		node *n = HEAD(fp->list);
		rem_node(n);
		if (--fp->cnt < fp->min)
		if (!shutting_down && (--fp->cnt < fp->min))
		ev_send(&global_work_list, fp->cleanup);

		void *ptr = n - FP_NODE_OFFSET;
		@@ -87,7 +89,7 @@ free_page(void *ptr)

		memset(n, 0, sizeof(node));
		add_tail(&fp->list, n);
		if (++fp->cnt > fp->max)
		if (!shutting_down && (++fp->cnt > fp->max))
		ev_send(&global_work_list, fp->cleanup);
		}
		else
		@@ -151,7 +153,7 @@ cleanup_pages(void *data)

		birdloop_leave(loop);

		if (GFP->cnt > GFP->max)
		if (!shutting_down && (GFP->cnt > GFP->max))
		ev_send(&global_work_list, GFP->cleanup);
		}