linux-kernel - Re: Linux 5.13.1

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Date:   Wed,  7 Jul 2021 08:47:35 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        akpm@...ux-foundation.org, torvalds@...ux-foundation.org
Cc:     lwn@....net, jslaby@...e.cz, gregkh@...uxfoundation.org
Subject: Re: Linux 5.13.1

diff --git a/Makefile b/Makefile
index 0565caea0362..069607cfe283 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 13
-SUBLEVEL = 0
+SUBLEVEL = 1
 EXTRAVERSION =
 NAME = Opossums on Parade
 
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 9c7ced0e3171..682e82956ea5 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -320,6 +320,7 @@ union kvm_mmu_extended_role {
 		unsigned int cr4_pke:1;
 		unsigned int cr4_smap:1;
 		unsigned int cr4_smep:1;
+		unsigned int cr4_la57:1;
 		unsigned int maxphyaddr:6;
 	};
 };
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 8d5876dfc6b7..a54f72c31be9 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4476,6 +4476,7 @@ static union kvm_mmu_extended_role kvm_calc_mmu_role_ext(struct kvm_vcpu *vcpu)
 	ext.cr4_smap = !!kvm_read_cr4_bits(vcpu, X86_CR4_SMAP);
 	ext.cr4_pse = !!is_pse(vcpu);
 	ext.cr4_pke = !!kvm_read_cr4_bits(vcpu, X86_CR4_PKE);
+	ext.cr4_la57 = !!kvm_read_cr4_bits(vcpu, X86_CR4_LA57);
 	ext.maxphyaddr = cpuid_maxphyaddr(vcpu);
 
 	ext.valid = 1;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ef2265f86b91..04220581579c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5058,7 +5058,7 @@ unsigned long __alloc_pages_bulk(gfp_t gfp, int preferred_nid,
 
 	/* Already populated array? */
 	if (unlikely(page_array && nr_pages - nr_populated == 0))
-		return 0;
+		return nr_populated;
 
 	/* Use the single page allocator for one page. */
 	if (nr_pages - nr_populated == 1)