linux-kernel - [PATCH] KVM: remove redundant __GFP

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Message-Id: <20250807144943.581663-1-rongqianfeng@vivo.com>
Date: Thu,  7 Aug 2025 22:49:43 +0800
From: Qianfeng Rong <rongqianfeng@...o.com>
To: Paolo Bonzini <pbonzini@...hat.com>,
	kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: willy@...radead.org,
	Qianfeng Rong <rongqianfeng@...o.com>
Subject: [PATCH] KVM: remove redundant __GFP_NOWARN

Commit 16f5dfbc851b ("gfp: include __GFP_NOWARN in GFP_NOWAIT") made
GFP_NOWAIT implicitly include __GFP_NOWARN.

Therefore, explicit __GFP_NOWARN combined with GFP_NOWAIT (e.g.,
`GFP_NOWAIT | __GFP_NOWARN`) is now redundant.  Let's clean up these
redundant flags across subsystems.

Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
---
 virt/kvm/async_pf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c
index 0ee4816b079a..b8aaa96b799b 100644
--- a/virt/kvm/async_pf.c
+++ b/virt/kvm/async_pf.c
@@ -192,7 +192,7 @@ bool kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
 	 * do alloc nowait since if we are going to sleep anyway we
 	 * may as well sleep faulting in page
 	 */
-	work = kmem_cache_zalloc(async_pf_cache, GFP_NOWAIT | __GFP_NOWARN);
+	work = kmem_cache_zalloc(async_pf_cache, GFP_NOWAIT);
 	if (!work)
 		return false;
 
-- 
2.34.1