Import of kernel-6.12.0-55.27.1.el10_0

Documentation/admin-guide/kernel-parameters.txt

@@ -4665,7 +4665,7 @@
 				  '1' – force enabled
 				  'x' – unchanged
 				For example,
-				  pci=config_acs=10x
+				  pci=config_acs=10x@pci:0:0
 				would configure all devices that support
 				ACS to enable P2P Request Redirect, disable
 				Translation Blocking, and leave Source

Makefile.rhelver

@@ -12,7 +12,7 @@ RHEL_MINOR = 0
 #
 # Use this spot to avoid future merge conflicts.
 # Do not trim this comment.
-RHEL_RELEASE = 55.25.1
+RHEL_RELEASE = 55.27.1
 
 #
 # RHEL_REBASE_NUM

arch/x86/kernel/cpu/amd.c

@@ -798,6 +798,7 @@ static void init_amd_bd(struct cpuinfo_x86 *c)
 static const struct x86_cpu_desc erratum_1386_microcode[] = {
 	AMD_CPU_DESC(0x17,  0x1, 0x2, 0x0800126e),
 	AMD_CPU_DESC(0x17, 0x31, 0x0, 0x08301052),
+	{},
 };
 
 static void fix_erratum_1386(struct cpuinfo_x86 *c)

crypto/algif_hash.c

@@ -265,10 +265,6 @@ static int hash_accept(struct socket *sock, struct socket *newsock,
 		goto out_free_state;
 
 	err = crypto_ahash_import(&ctx2->req, state);
-	if (err) {
-		sock_orphan(sk2);
-		sock_put(sk2);
-	}
 
 out_free_state:
 	kfree_sensitive(state);

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -11267,6 +11267,26 @@ hwrm_phy_qcaps_exit:
 	return rc;
 }
 
+static void bnxt_hwrm_mac_qcaps(struct bnxt *bp)
+{
+	struct hwrm_port_mac_qcaps_output *resp;
+	struct hwrm_port_mac_qcaps_input *req;
+	int rc;
+
+	if (bp->hwrm_spec_code < 0x10a03)
+		return;
+
+	rc = hwrm_req_init(bp, req, HWRM_PORT_MAC_QCAPS);
+	if (rc)
+		return;
+
+	resp = hwrm_req_hold(bp, req);
+	rc = hwrm_req_send_silent(bp, req);
+	if (!rc)
+		bp->mac_flags = resp->flags;
+	hwrm_req_drop(bp, req);
+}
+
 static bool bnxt_support_dropped(u16 advertising, u16 supported)
 {
 	u16 diff = advertising ^ supported;
@@ -15389,6 +15409,10 @@ static int bnxt_probe_phy(struct bnxt *bp, bool fw_dflt)
 		bp->dev->priv_flags |= IFF_SUPP_NOFCS;
 	else
 		bp->dev->priv_flags &= ~IFF_SUPP_NOFCS;
+
+	bp->mac_flags = 0;
+	bnxt_hwrm_mac_qcaps(bp);
+
 	if (!fw_dflt)
 		return 0;
 

drivers/net/ethernet/broadcom/bnxt/bnxt.h

@@ -2614,6 +2614,11 @@ struct bnxt {
 #define BNXT_PHY_FL_BANK_SEL		(PORT_PHY_QCAPS_RESP_FLAGS2_BANK_ADDR_SUPPORTED << 8)
 #define BNXT_PHY_FL_SPEEDS2		(PORT_PHY_QCAPS_RESP_FLAGS2_SPEEDS2_SUPPORTED << 8)
 
+	/* copied from flags in hwrm_port_mac_qcaps_output */
+	u8			mac_flags;
+#define BNXT_MAC_FL_NO_MAC_LPBK		\
+	PORT_MAC_QCAPS_RESP_FLAGS_LOCAL_LPBK_NOT_SUPPORTED
+
 	u8			num_tests;
 	struct bnxt_test_info	*test_info;
 

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

@@ -4894,35 +4894,44 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
 		bnxt_close_nic(bp, true, false);
 		bnxt_run_fw_tests(bp, test_mask, &test_results);
 
-		buf[BNXT_MACLPBK_TEST_IDX] = 1;
-		bnxt_hwrm_mac_loopback(bp, true);
-		msleep(250);
 		rc = bnxt_half_open_nic(bp);
 		if (rc) {
-			bnxt_hwrm_mac_loopback(bp, false);
 			etest->flags |= ETH_TEST_FL_FAILED;
 			return;
 		}
+		buf[BNXT_MACLPBK_TEST_IDX] = 1;
+		if (bp->mac_flags & BNXT_MAC_FL_NO_MAC_LPBK)
+			goto skip_mac_loopback;
+
+		bnxt_hwrm_mac_loopback(bp, true);
+		msleep(250);
 		if (bnxt_run_loopback(bp))
 			etest->flags |= ETH_TEST_FL_FAILED;
 		else
 			buf[BNXT_MACLPBK_TEST_IDX] = 0;
 
 		bnxt_hwrm_mac_loopback(bp, false);
+skip_mac_loopback:
+		buf[BNXT_PHYLPBK_TEST_IDX] = 1;
+		if (bp->phy_flags & BNXT_PHY_FL_NO_PHY_LPBK)
+			goto skip_phy_loopback;
+
 		bnxt_hwrm_phy_loopback(bp, true, false);
 		msleep(1000);
-		if (bnxt_run_loopback(bp)) {
+		if (bnxt_run_loopback(bp))
-			buf[BNXT_PHYLPBK_TEST_IDX] = 1;
 			etest->flags |= ETH_TEST_FL_FAILED;
-		}
+		else
+			buf[BNXT_PHYLPBK_TEST_IDX] = 0;
+skip_phy_loopback:
+		buf[BNXT_EXTLPBK_TEST_IDX] = 1;
 		if (do_ext_lpbk) {
 			etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 			bnxt_hwrm_phy_loopback(bp, true, true);
 			msleep(1000);
-			if (bnxt_run_loopback(bp)) {
+			if (bnxt_run_loopback(bp))
-				buf[BNXT_EXTLPBK_TEST_IDX] = 1;
 				etest->flags |= ETH_TEST_FL_FAILED;
-			}
+			else
+				buf[BNXT_EXTLPBK_TEST_IDX] = 0;
 		}
 		bnxt_hwrm_phy_loopback(bp, false, false);
 		bnxt_half_close_nic(bp);

drivers/net/wireless/ath/ath12k/dp_rx.c

@@ -1768,6 +1768,7 @@ static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar,
 	struct hal_rx_desc *ldesc;
 	int space_extra, rem_len, buf_len;
 	u32 hal_rx_desc_sz = ar->ab->hal.hal_desc_sz;
+	bool is_continuation;
 
 	/* As the msdu is spread across multiple rx buffers,
 	 * find the offset to the start of msdu for computing
@@ -1816,7 +1817,8 @@ static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar,
 	rem_len = msdu_len - buf_first_len;
 	while ((skb = __skb_dequeue(msdu_list)) != NULL && rem_len > 0) {
 		rxcb = ATH12K_SKB_RXCB(skb);
-		if (rxcb->is_continuation)
+		is_continuation = rxcb->is_continuation;
+		if (is_continuation)
 			buf_len = DP_RX_BUFFER_SIZE - hal_rx_desc_sz;
 		else
 			buf_len = rem_len;
@@ -1834,7 +1836,7 @@ static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar,
 		dev_kfree_skb_any(skb);
 
 		rem_len -= buf_len;
-		if (!rxcb->is_continuation)
+		if (!is_continuation)
 			break;
 	}
 

drivers/net/wireless/realtek/rtw88/coex.c

@@ -309,7 +309,7 @@ static void rtw_coex_tdma_timer_base(struct rtw_dev *rtwdev, u8 type)
 {
 	struct rtw_coex *coex = &rtwdev->coex;
 	struct rtw_coex_stat *coex_stat = &coex->stat;
-	u8 para[2] = {0};
+	u8 para[6] = {};
 	u8 times;
 	u16 tbtt_interval = coex_stat->wl_beacon_interval;
 

drivers/pci/pci.c

@@ -955,8 +955,10 @@ struct pci_acs {
 };
 
 static void __pci_config_acs(struct pci_dev *dev, struct pci_acs *caps,
-			     const char *p, u16 mask, u16 flags)
+			     const char *p, const u16 acs_mask, const u16 acs_flags)
 {
+	u16 flags = acs_flags;
+	u16 mask = acs_mask;
 	char *delimit;
 	int ret = 0;
 
@@ -964,7 +966,7 @@ static void __pci_config_acs(struct pci_dev *dev, struct pci_acs *caps,
 		return;
 
 	while (*p) {
-		if (!mask) {
+		if (!acs_mask) {
 			/* Check for ACS flags */
 			delimit = strstr(p, "@");
 			if (delimit) {
@@ -972,6 +974,8 @@ static void __pci_config_acs(struct pci_dev *dev, struct pci_acs *caps,
 				u32 shift = 0;
 
 				end = delimit - p - 1;
+				mask = 0;
+				flags = 0;
 
 				while (end > -1) {
 					if (*(p + end) == '0') {
@@ -1028,10 +1032,14 @@ static void __pci_config_acs(struct pci_dev *dev, struct pci_acs *caps,
 
 	pci_dbg(dev, "ACS mask  = %#06x\n", mask);
 	pci_dbg(dev, "ACS flags = %#06x\n", flags);
+	pci_dbg(dev, "ACS control = %#06x\n", caps->ctrl);
+	pci_dbg(dev, "ACS fw_ctrl = %#06x\n", caps->fw_ctrl);
 
-	/* If mask is 0 then we copy the bit from the firmware setting. */
+	/*
-	caps->ctrl = (caps->ctrl & ~mask) | (caps->fw_ctrl & mask);
+	 * For mask bits that are 0, copy them from the firmware setting
-	caps->ctrl |= flags;
+	 * and apply flags for all the mask bits that are 1.
+	 */
+	caps->ctrl = (caps->fw_ctrl & ~mask) | (flags & mask);
 
 	pci_info(dev, "Configured ACS to %#06x\n", caps->ctrl);
 }

drivers/pci/pwrctl/core.c

@@ -110,6 +110,8 @@ EXPORT_SYMBOL_GPL(pci_pwrctl_device_set_ready);
  */
 void pci_pwrctl_device_unset_ready(struct pci_pwrctl *pwrctl)
 {
+	cancel_work_sync(&pwrctl->work);
+
 	/*
 	 * We don't have to delete the link here. Typically, this function
 	 * is only called when the power control device is being detached. If

drivers/pci/setup-bus.c

@@ -2105,8 +2105,7 @@ pci_root_bus_distribute_available_resources(struct pci_bus *bus,
 		 * in case of root bus.
 		 */
 		if (bridge && pci_bridge_resources_not_assigned(dev))
-			pci_bridge_distribute_available_resources(bridge,
+			pci_bridge_distribute_available_resources(dev, add_list);
-								  add_list);
 		else
 			pci_root_bus_distribute_available_resources(b, add_list);
 	}

fs/smb/client/connect.c

@@ -972,13 +972,9 @@ clean_demultiplex_info(struct TCP_Server_Info *server)
 	msleep(125);
 	if (cifs_rdma_enabled(server))
 		smbd_destroy(server);
-
 	if (server->ssocket) {
 		sock_release(server->ssocket);
 		server->ssocket = NULL;
-
-		/* Release netns reference for the socket. */
-		put_net(cifs_net_ns(server));
 	}
 
 	if (!list_empty(&server->pending_mid_q)) {
@@ -1026,7 +1022,6 @@ clean_demultiplex_info(struct TCP_Server_Info *server)
 		 */
 	}
 
-	/* Release netns reference for this server. */
 	put_net(cifs_net_ns(server));
 	kfree(server->leaf_fullpath);
 	kfree(server->hostname);
@@ -1672,8 +1667,6 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx,
 
 	tcp_ses->ops = ctx->ops;
 	tcp_ses->vals = ctx->vals;
-
-	/* Grab netns reference for this server. */
 	cifs_set_net_ns(tcp_ses, get_net(current->nsproxy->net_ns));
 
 	tcp_ses->conn_id = atomic_inc_return(&tcpSesNextId);
@@ -1802,7 +1795,6 @@ smbd_connected:
 out_err_crypto_release:
 	cifs_crypto_secmech_release(tcp_ses);
 
-	/* Release netns reference for this server. */
 	put_net(cifs_net_ns(tcp_ses));
 
 out_err:
@@ -1811,10 +1803,8 @@ out_err:
 			cifs_put_tcp_session(tcp_ses->primary_server, false);
 		kfree(tcp_ses->hostname);
 		kfree(tcp_ses->leaf_fullpath);
-		if (tcp_ses->ssocket) {
+		if (tcp_ses->ssocket)
 			sock_release(tcp_ses->ssocket);
-			put_net(cifs_net_ns(tcp_ses));
-		}
 		kfree(tcp_ses);
 	}
 	return ERR_PTR(rc);
@@ -3101,20 +3091,20 @@ generic_ip_connect(struct TCP_Server_Info *server)
 		socket = server->ssocket;
 	} else {
 		struct net *net = cifs_net_ns(server);
+		struct sock *sk;
 
-		rc = sock_create_kern(net, sfamily, SOCK_STREAM, IPPROTO_TCP, &server->ssocket);
+		rc = __sock_create(net, sfamily, SOCK_STREAM,
+				   IPPROTO_TCP, &server->ssocket, 1);
 		if (rc < 0) {
 			cifs_server_dbg(VFS, "Error %d creating socket\n", rc);
 			return rc;
 		}
 
-		/*
+		sk = server->ssocket->sk;
-		 * Grab netns reference for the socket.
+		__netns_tracker_free(net, &sk->ns_tracker, false);
-		 *
+		sk->sk_net_refcnt = 1;
-		 * It'll be released here, on error, or in clean_demultiplex_info() upon server
+		get_net_track(net, &sk->ns_tracker, GFP_KERNEL);
-		 * teardown.
+		sock_inuse_add(net, 1);
-		 */
-		get_net(net);
 
 		/* BB other socket options to set KEEPALIVE, NODELAY? */
 		cifs_dbg(FYI, "Socket created\n");
@@ -3128,10 +3118,8 @@ generic_ip_connect(struct TCP_Server_Info *server)
 	}
 
 	rc = bind_socket(server);
-	if (rc < 0) {
+	if (rc < 0)
-		put_net(cifs_net_ns(server));
 		return rc;
-	}
 
 	/*
 	 * Eventually check for other socket options to change from
@@ -3168,7 +3156,6 @@ generic_ip_connect(struct TCP_Server_Info *server)
 	if (rc < 0) {
 		cifs_dbg(FYI, "Error %d connecting to server\n", rc);
 		trace_smb3_connect_err(server->hostname, server->conn_id, &server->dstaddr, rc);
-		put_net(cifs_net_ns(server));
 		sock_release(socket);
 		server->ssocket = NULL;
 		return rc;
@@ -3177,9 +3164,6 @@ generic_ip_connect(struct TCP_Server_Info *server)
 	if (sport == htons(RFC1001_PORT))
 		rc = ip_rfc1001_connect(server);
 
-	if (rc < 0)
-		put_net(cifs_net_ns(server));
-
 	return rc;
 }
 

include/linux/hugetlb.h

@@ -272,6 +272,8 @@ long hugetlb_change_protection(struct vm_area_struct *vma,
 bool is_hugetlb_entry_migration(pte_t pte);
 bool is_hugetlb_entry_hwpoisoned(pte_t pte);
 void hugetlb_unshare_all_pmds(struct vm_area_struct *vma);
+void fixup_hugetlb_reservations(struct vm_area_struct *vma);
+void hugetlb_split(struct vm_area_struct *vma, unsigned long addr);
 
 #else /* !CONFIG_HUGETLB_PAGE */
 
@@ -465,6 +467,12 @@ static inline vm_fault_t hugetlb_fault(struct mm_struct *mm,
 
 static inline void hugetlb_unshare_all_pmds(struct vm_area_struct *vma) { }
 
+static inline void fixup_hugetlb_reservations(struct vm_area_struct *vma)
+{
+}
+
+static inline void hugetlb_split(struct vm_area_struct *vma, unsigned long addr) {}
+
 #endif /* !CONFIG_HUGETLB_PAGE */
 
 #ifndef pgd_write

mm/hugetlb.c

@@ -87,7 +87,7 @@ static void hugetlb_vma_lock_free(struct vm_area_struct *vma);
 static void hugetlb_vma_lock_alloc(struct vm_area_struct *vma);
 static void __hugetlb_vma_unlock_write_free(struct vm_area_struct *vma);
 static void hugetlb_unshare_pmds(struct vm_area_struct *vma,
-		unsigned long start, unsigned long end);
+		unsigned long start, unsigned long end, bool take_locks);
 static struct resv_map *vma_resv_map(struct vm_area_struct *vma);
 
 static void hugetlb_free_folio(struct folio *folio)
@@ -1218,7 +1218,7 @@ void hugetlb_dup_vma_private(struct vm_area_struct *vma)
 /*
  * Reset and decrement one ref on hugepage private reservation.
  * Called with mm->mmap_lock writer semaphore held.
- * This function should be only used by move_vma() and operate on
+ * This function should be only used by mremap and operate on
  * same sized vma. It should never come here with last ref on the
  * reservation.
  */
@@ -5093,26 +5093,40 @@ static int hugetlb_vm_op_split(struct vm_area_struct *vma, unsigned long addr)
 {
 	if (addr & ~(huge_page_mask(hstate_vma(vma))))
 		return -EINVAL;
+	return 0;
+}
 
+void hugetlb_split(struct vm_area_struct *vma, unsigned long addr)
+{
 	/*
 	 * PMD sharing is only possible for PUD_SIZE-aligned address ranges
 	 * in HugeTLB VMAs. If we will lose PUD_SIZE alignment due to this
 	 * split, unshare PMDs in the PUD_SIZE interval surrounding addr now.
+	 * This function is called in the middle of a VMA split operation, with
+	 * MM, VMA and rmap all write-locked to prevent concurrent page table
+	 * walks (except hardware and gup_fast()).
 	 */
+	vma_assert_write_locked(vma);
+	i_mmap_assert_write_locked(vma->vm_file->f_mapping);
+
 	if (addr & ~PUD_MASK) {
-		/*
-		 * hugetlb_vm_op_split is called right before we attempt to
-		 * split the VMA. We will need to unshare PMDs in the old and
-		 * new VMAs, so let's unshare before we split.
-		 */
 		unsigned long floor = addr & PUD_MASK;
 		unsigned long ceil = floor + PUD_SIZE;
 
-		if (floor >= vma->vm_start && ceil <= vma->vm_end)
+		if (floor >= vma->vm_start && ceil <= vma->vm_end) {
-			hugetlb_unshare_pmds(vma, floor, ceil);
+			/*
+			 * Locking:
+			 * Use take_locks=false here.
+			 * The file rmap lock is already held.
+			 * The hugetlb VMA lock can't be taken when we already
+			 * hold the file rmap lock, and we don't need it because
+			 * its purpose is to synchronize against concurrent page
+			 * table walks, which are not possible thanks to the
+			 * locks held by our caller.
+			 */
+			hugetlb_unshare_pmds(vma, floor, ceil, /* take_locks = */ false);
+		}
 	}
-
-	return 0;
 }
 
 static unsigned long hugetlb_vm_op_pagesize(struct vm_area_struct *vma)
@@ -7265,6 +7279,13 @@ int huge_pmd_unshare(struct mm_struct *mm, struct vm_area_struct *vma,
 		return 0;
 
 	pud_clear(pud);
+	/*
+	 * Once our caller drops the rmap lock, some other process might be
+	 * using this page table as a normal, non-hugetlb page table.
+	 * Wait for pending gup_fast() in other threads to finish before letting
+	 * that happen.
+	 */
+	tlb_remove_table_sync_one();
 	put_page(virt_to_page(ptep));
 	mm_dec_nr_pmds(mm);
 	return 1;
@@ -7497,9 +7518,16 @@ void move_hugetlb_state(struct folio *old_folio, struct folio *new_folio, int re
 	}
 }
 
+/*
+ * If @take_locks is false, the caller must ensure that no concurrent page table
+ * access can happen (except for gup_fast() and hardware page walks).
+ * If @take_locks is true, we take the hugetlb VMA lock (to lock out things like
+ * concurrent page fault handling) and the file rmap lock.
+ */
 static void hugetlb_unshare_pmds(struct vm_area_struct *vma,
 				   unsigned long start,
-				   unsigned long end)
+				   unsigned long end,
+				   bool take_locks)
 {
 	struct hstate *h = hstate_vma(vma);
 	unsigned long sz = huge_page_size(h);
@@ -7523,8 +7551,12 @@ static void hugetlb_unshare_pmds(struct vm_area_struct *vma,
 	mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, mm,
 				start, end);
 	mmu_notifier_invalidate_range_start(&range);
+	if (take_locks) {
 		hugetlb_vma_lock_write(vma);
 		i_mmap_lock_write(vma->vm_file->f_mapping);
+	} else {
+		i_mmap_assert_write_locked(vma->vm_file->f_mapping);
+	}
 	for (address = start; address < end; address += PUD_SIZE) {
 		ptep = hugetlb_walk(vma, address, sz);
 		if (!ptep)
@@ -7534,8 +7566,10 @@ static void hugetlb_unshare_pmds(struct vm_area_struct *vma,
 		spin_unlock(ptl);
 	}
 	flush_hugetlb_tlb_range(vma, start, end);
+	if (take_locks) {
 		i_mmap_unlock_write(vma->vm_file->f_mapping);
 		hugetlb_vma_unlock_write(vma);
+	}
 	/*
 	 * No need to call mmu_notifier_arch_invalidate_secondary_tlbs(), see
 	 * Documentation/mm/mmu_notifier.rst.
@@ -7550,7 +7584,22 @@ static void hugetlb_unshare_pmds(struct vm_area_struct *vma,
 void hugetlb_unshare_all_pmds(struct vm_area_struct *vma)
 {
 	hugetlb_unshare_pmds(vma, ALIGN(vma->vm_start, PUD_SIZE),
-			ALIGN_DOWN(vma->vm_end, PUD_SIZE));
+			ALIGN_DOWN(vma->vm_end, PUD_SIZE),
+			/* take_locks = */ true);
+}
+
+/*
+ * For hugetlb, mremap() is an odd edge case - while the VMA copying is
+ * performed, we permit both the old and new VMAs to reference the same
+ * reservation.
+ *
+ * We fix this up after the operation succeeds, or if a newly allocated VMA
+ * is closed as a result of a failure to allocate memory.
+ */
+void fixup_hugetlb_reservations(struct vm_area_struct *vma)
+{
+	if (is_vm_hugetlb_page(vma))
+		clear_vma_resv_huge_pages(vma);
 }
 
 #ifdef CONFIG_CMA

mm/mremap.c

@@ -743,9 +743,7 @@ static unsigned long move_vma(struct vm_area_struct *vma,
 		mremap_userfaultfd_prep(new_vma, uf);
 	}
 
-	if (is_vm_hugetlb_page(vma)) {
+	fixup_hugetlb_reservations(vma);
-		clear_vma_resv_huge_pages(vma);
-	}
 
 	/* Conceal VM_ACCOUNT so old reservation is not undone */
 	if (vm_flags & VM_ACCOUNT && !(flags & MREMAP_DONTUNMAP)) {

mm/vma.c

@@ -416,7 +416,14 @@ static int __split_vma(struct vma_iterator *vmi, struct vm_area_struct *vma,
 	init_vma_prep(&vp, vma);
 	vp.insert = new;
 	vma_prepare(&vp);
+
+	/*
+	 * Get rid of huge pages and shared page tables straddling the split
+	 * boundary.
+	 */
 	vma_adjust_trans_huge(vma, vma->vm_start, addr, 0);
+	if (is_vm_hugetlb_page(vma))
+		hugetlb_split(vma, addr);
 
 	if (new_below) {
 		vma->vm_start = addr;
@@ -1681,6 +1688,7 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
 	return new_vma;
 
 out_vma_link:
+	fixup_hugetlb_reservations(new_vma);
 	vma_close(new_vma);
 
 	if (new_vma->vm_file)

mm/vma_internal.h

@@ -17,6 +17,7 @@
 #include <linux/file.h>
 #include <linux/fs.h>
 #include <linux/huge_mm.h>
+#include <linux/hugetlb.h>
 #include <linux/hugetlb_inline.h>
 #include <linux/kernel.h>
 #include <linux/khugepaged.h>

tools/testing/vma/vma_internal.h

@@ -735,6 +735,8 @@ static inline void vma_adjust_trans_huge(struct vm_area_struct *vma,
 	(void)adjust_next;
 }
 
+static inline void hugetlb_split(struct vm_area_struct *, unsigned long) {}
+
 static inline void vma_iter_free(struct vma_iterator *vmi)
 {
 	mas_destroy(&vmi->mas);
@@ -920,4 +922,9 @@ static inline bool signal_pending(void *)
 	return false;
 }
 
+static inline void fixup_hugetlb_reservations(struct vm_area_struct *vma)
+{
+	(void)vma;
+}
+
 #endif	/* __MM_VMA_INTERNAL_H */