The patch titled
Subject: mm/vmalloc.c: remove might_sleep() in __remove_vm_area()
has been added to the -mm tree. Its filename is
mm-remove-might_sleep-in-__remove_vm_area.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-remove-might_sleep-in-__remove_vm_area.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-might_sleep-in-__remove_vm_area.patch
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------------------------------------------------------
From: Roman Gushchin <guro@xxxxxx>
Subject: mm/vmalloc.c: remove might_sleep() in __remove_vm_area()
__remove_vm_area() has a redundant might_sleep() call, which isn't really
required, because the only place it can sleep is vfree() and it already
contains might_sleep_if(!in_interrupt()).
Link: http://lkml.kernel.org/r/20190417230219.GA5538@xxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Roman Gushchin <guro@xxxxxx>
Suggested-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 2 --
1 file changed, 2 deletions(-)
--- a/mm/vmalloc.c~mm-remove-might_sleep-in-__remove_vm_area
+++ a/mm/vmalloc.c
@@ -1482,8 +1482,6 @@ static struct vm_struct *__remove_vm_are
{
struct vm_struct *vm = va->vm;
- might_sleep();
-
spin_lock(&vmap_area_lock);
va->vm = NULL;
va->flags &= ~VM_VM_AREA;
_
Patches currently in -mm which might be from guro@xxxxxx are
mm-remove-might_sleep-in-__remove_vm_area.patch
