X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Faio.c;h=4f641abac3c0927f2036f81f3f70106a57a09e22;hb=db400b3c4ee89d384d9163836a55577abdae772d;hp=06d7d4390fe7dd8562e8433ce3a29b2b9ee4e241;hpb=f7f24758ac98a506770bc5910d33567610fa3403;p=linux-2.6

diff --git a/fs/aio.c b/fs/aio.c
index 06d7d4390f..4f641abac3 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -567,6 +567,10 @@ static void use_mm(struct mm_struct *mm)
 	atomic_inc(&mm->mm_count);
 	tsk->mm = mm;
 	tsk->active_mm = mm;
+	/*
+	 * Note that on UML this *requires* PF_BORROWED_MM to be set, otherwise
+	 * it won't work. Update it accordingly if you change it here
+	 */
 	activate_mm(active_mm, mm);
 	task_unlock(tsk);