* [PATCH 2/3] mm: export use_mm/unuse_mm to modules
@ 2009-12-08 3:19 Rusty Russell
0 siblings, 0 replies; only message in thread
From: Rusty Russell @ 2009-12-08 3:19 UTC (permalink / raw)
To: netdev; +Cc: Andrea Arcangeli, Michael S. Tsirkin, Michael S. Tsirkin
From: "Michael S. Tsirkin" <mst@redhat•com>
vhost net module wants to do copy to/from user from a kernel thread,
which needs use_mm. Export it to modules.
Acked-by: Andrea Arcangeli <aarcange@redhat•com>
Signed-off-by: "Michael S. Tsirkin" <mst@redhat•com>
Signed-off-by: Rusty Russell <rusty@rustcorp•com.au>
---
mm/mmu_context.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index ded9081..0777654 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -5,6 +5,7 @@
#include <linux/mm.h>
#include <linux/mmu_context.h>
+#include <linux/module.h>
#include <linux/sched.h>
#include <asm/mmu_context.h>
@@ -37,6 +38,7 @@ void use_mm(struct mm_struct *mm)
if (active_mm != mm)
mmdrop(active_mm);
}
+EXPORT_SYMBOL_GPL(use_mm);
/*
* unuse_mm
@@ -56,3 +58,4 @@ void unuse_mm(struct mm_struct *mm)
enter_lazy_tlb(mm, tsk);
task_unlock(tsk);
}
+EXPORT_SYMBOL_GPL(unuse_mm);
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2009-12-08 3:19 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-12-08 3:19 [PATCH 2/3] mm: export use_mm/unuse_mm to modules Rusty Russell
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox