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[1/2] mm/vmalloc: use free_vm_area() if an allocation fails

Message ID 20201116220033.1837-1-urezki@gmail.com (mailing list archive)
State New
Headers show
Series [1/2] mm/vmalloc: use free_vm_area() if an allocation fails | expand

Commit Message

Uladzislau Rezki Nov. 16, 2020, 10 p.m. UTC
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.

Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
---
 mm/vmalloc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index d7075ad340aa..b08b06a8cc2a 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;
 	}