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mm/balloon_compaction: suppress allocation warnings 

There is no reason to print warnings when balloon page allocation fails,
as they are expected and can be handled gracefully.  Since VMware
balloon now uses balloon-compaction infrastructure, and suppressed these
warnings before, it is also beneficial to suppress these warnings to
keep the same behavior that the balloon had before.

Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: Nadav Amit <namit@vmware.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
Nadav Amit 2019-08-20 02:16:46 -07:00 committed by Michael S. Tsirkin
parent 3d2c7d3704
commit 02fa5d7b17
1 changed files with 2 additions and 1 deletions
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3
mm/balloon_compaction.c
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@ -124,7 +124,8 @@ EXPORT_SYMBOL_GPL(balloon_page_list_dequeue);
struct page *balloon_page_alloc(void) struct page *balloon_page_alloc(void)
{ {
struct page *page = alloc_page(balloon_mapping_gfp_mask() | struct page *page = alloc_page(balloon_mapping_gfp_mask() |
__GFP_NOMEMALLOC | __GFP_NORETRY); __GFP_NOMEMALLOC | __GFP_NORETRY |
__GFP_NOWARN);
return page; return page;
} }
EXPORT_SYMBOL_GPL(balloon_page_alloc); EXPORT_SYMBOL_GPL(balloon_page_alloc);