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authorUladzislau Rezki (Sony) <urezki@gmail.com>2020-12-14 19:08:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-15 12:13:41 -0800
commit8945a723064a2ccfc8dffa5dd17d5a3b351fbf1a (patch)
treee055171925a828235781226623a34027b5ae3cfe /mm/vmalloc.c
parent34fe653716b0d340bc26dd4823d2dbe00c57f849 (diff)
mm/vmalloc: use free_vm_area() if an allocation fails
There is a dedicated and separate function that finds and removes a continuous kernel virtual area. As a final step it also releases the "area", a descriptor of corresponding vm_struct. Use free_vmap_area() in the __vmalloc_node_range() instead of open coded steps which are exactly the same, to perform a cleanup. Link: https://lkml.kernel.org/r/20201116220033.1837-1-urezki@gmail.com Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: "Huang, Ying" <ying.huang@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r--mm/vmalloc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 8a2dc571bc8d..da833c66d625 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2479,8 +2479,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
}
if (!pages) {
- remove_vm_area(area->addr);
- kfree(area);
+ free_vm_area(area);
return NULL;
}