From b1682da6cde68b526a30522d079c91498735ecdf Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <schaller@strw.leidenuniv.nl>
Date: Sat, 23 Mar 2019 18:16:59 +0100
Subject: [PATCH] Revert "When activating the star formation task, first drift
 the star particles in the cell."

This reverts commit be1c16721cd2691601f1f95ab859b0f44309d355.
---
 src/cell.c             |  7 ++-----
 src/engine_marktasks.c | 14 +++++---------
 2 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/src/cell.c b/src/cell.c
index 72e3884988..9fd32ed8c6 100644
--- a/src/cell.c
+++ b/src/cell.c
@@ -3226,12 +3226,9 @@ int cell_unskip_hydro_tasks(struct cell *c, struct scheduler *s) {
     if (c->timestep != NULL) scheduler_activate(s, c->timestep);
     if (c->hydro.end_force != NULL) scheduler_activate(s, c->hydro.end_force);
     if (c->hydro.cooling != NULL) scheduler_activate(s, c->hydro.cooling);
-    if (c->logger != NULL) scheduler_activate(s, c->logger);
-
-    if (c->hydro.star_formation != NULL) {
+    if (c->hydro.star_formation != NULL)
       scheduler_activate(s, c->hydro.star_formation);
-      cell_activate_drift_spart(c, s);
-    }
+    if (c->logger != NULL) scheduler_activate(s, c->logger);
   }
 
   return rebuild;
diff --git a/src/engine_marktasks.c b/src/engine_marktasks.c
index 9b34b3ea95..c02eb5d2bd 100644
--- a/src/engine_marktasks.c
+++ b/src/engine_marktasks.c
@@ -642,17 +642,13 @@ void engine_marktasks_mapper(void *map_data, int num_elements,
         scheduler_activate(s, t);
     }
 
-    /* Subgrid tasks: cooling */
+    /* Subgrid tasks */
     else if (t_type == task_type_cooling) {
-      if (cell_is_active_hydro(t->ci, e)) scheduler_activate(s, t);
-    }
-
-    /* Subgrid tasks: star formation */
-    else if (t_type == task_type_star_formation) {
-      if (cell_is_active_hydro(t->ci, e)) {
+      if (cell_is_active_hydro(t->ci, e) || cell_is_active_gravity(t->ci, e))
+        scheduler_activate(s, t);
+    } else if (t_type == task_type_star_formation) {
+      if (cell_is_active_hydro(t->ci, e) || cell_is_active_gravity(t->ci, e))
         scheduler_activate(s, t);
-        cell_activate_drift_spart(t->ci, s);
-      }
     }
   }
 }
-- 
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