e21a2b911b
Changes in 4.9.239 vsock/virtio: use RCU to avoid use-after-free on the_virtio_vsock vsock/virtio: stop workers during the .remove() USB: gadget: f_ncm: Fix NDP16 datagram validation gpio: tc35894: fix up tc35894 interrupt configuration Input: i8042 - add nopnp quirk for Acer Aspire 5 A515 drm/amdgpu: restore proper ref count in amdgpu_display_crtc_set_config net: dec: de2104x: Increase receive ring size for Tulip rndis_host: increase sleep time in the query-response loop drivers/net/wan/lapbether: Make skb->protocol consistent with the header drivers/net/wan/hdlc: Set skb->protocol before transmitting mac80211: do not allow bigger VHT MPDUs than the hardware supports nfs: Fix security label length not being reset clk: samsung: exynos4: mark 'chipid' clock as CLK_IGNORE_UNUSED iommu/exynos: add missing put_device() call in exynos_iommu_of_xlate() i2c: cpm: Fix i2c_ram structure random32: Restore __latent_entropy attribute on net_rand_state net/packet: fix overflow in tpacket_rcv epoll: do not insert into poll queues until all sanity checks are done epoll: replace ->visited/visited_list with generation count epoll: EPOLL_CTL_ADD: close the race in decision to take fast path ep_create_wakeup_source(): dentry name can change under you... netfilter: ctnetlink: add a range check for l3/l4 protonum fbdev, newport_con: Move FONT_EXTRA_WORDS macros into linux/font.h Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts Revert "ravb: Fixed to be able to unload modules" fbcon: Fix global-out-of-bounds read in fbcon_get_font() net: wireless: nl80211: fix out-of-bounds access in nl80211_del_key() usermodehelper: reset umask to default before executing user process platform/x86: thinkpad_acpi: initialize tp_nvram_state variable platform/x86: thinkpad_acpi: re-initialize ACPI buffer size when reuse driver core: Fix probe_count imbalance in really_probe() perf top: Fix stdio interface input handling with glibc 2.28+ mtd: rawnand: sunxi: Fix the probe error path ftrace: Move RCU is watching check after recursion check macsec: avoid use-after-free in macsec_handle_frame() mm/khugepaged: fix filemap page_to_pgoff(page) != offset sctp: fix sctp_auth_init_hmacs() error path team: set dev->needed_headroom in team_setup_by_port() net: team: fix memory leak in __team_options_register openvswitch: handle DNAT tuple collision drm/amdgpu: prevent double kfree ttm->sg xfrm: clone XFRMA_REPLAY_ESN_VAL in xfrm_do_migrate xfrm: clone whole liftime_cur structure in xfrm_do_migrate net: stmmac: removed enabling eee in EEE set callback xfrm: Use correct address family in xfrm_state_find bonding: set dev->needed_headroom in bond_setup_by_slave() mdio: fix mdio-thunder.c dependency & build error rxrpc: Fix rxkad token xdr encoding rxrpc: Downgrade the BUG() for unsupported token type in rxrpc_read() rxrpc: Fix some missing _bh annotations on locking conn->state_lock rxrpc: Fix server keyring leak perf: Fix task_function_call() error handling mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged net: usb: rtl8150: set random MAC address when set_ethernet_addr() fails Linux 4.9.239 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I425f266783f834eac9a2eaf95bbf7217a7128595
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
#ifndef _LINUX_KHUGEPAGED_H
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#define _LINUX_KHUGEPAGED_H
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#include <linux/sched.h> /* MMF_VM_HUGEPAGE */
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#ifdef CONFIG_TRANSPARENT_HUGEPAGE
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extern struct attribute_group khugepaged_attr_group;
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extern int khugepaged_init(void);
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extern void khugepaged_destroy(void);
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extern int start_stop_khugepaged(void);
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extern int __khugepaged_enter(struct mm_struct *mm);
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extern void __khugepaged_exit(struct mm_struct *mm);
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extern int khugepaged_enter_vma_merge(struct vm_area_struct *vma,
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unsigned long vm_flags);
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extern void khugepaged_min_free_kbytes_update(void);
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#define khugepaged_enabled() \
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(transparent_hugepage_flags & \
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((1<<TRANSPARENT_HUGEPAGE_FLAG) | \
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(1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG)))
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#define khugepaged_always() \
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(transparent_hugepage_flags & \
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(1<<TRANSPARENT_HUGEPAGE_FLAG))
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#define khugepaged_req_madv() \
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(transparent_hugepage_flags & \
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(1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG))
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#define khugepaged_defrag() \
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(transparent_hugepage_flags & \
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(1<<TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG))
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static inline int khugepaged_fork(struct mm_struct *mm, struct mm_struct *oldmm)
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{
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if (test_bit(MMF_VM_HUGEPAGE, &oldmm->flags))
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return __khugepaged_enter(mm);
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return 0;
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}
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static inline void khugepaged_exit(struct mm_struct *mm)
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{
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if (test_bit(MMF_VM_HUGEPAGE, &mm->flags))
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__khugepaged_exit(mm);
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}
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static inline int khugepaged_enter(struct vm_area_struct *vma,
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unsigned long vm_flags)
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{
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if (!test_bit(MMF_VM_HUGEPAGE, &vma->vm_mm->flags))
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if ((khugepaged_always() ||
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(khugepaged_req_madv() && (vm_flags & VM_HUGEPAGE))) &&
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!(vm_flags & VM_NOHUGEPAGE))
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if (__khugepaged_enter(vma->vm_mm))
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return -ENOMEM;
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return 0;
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}
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#else /* CONFIG_TRANSPARENT_HUGEPAGE */
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static inline int khugepaged_fork(struct mm_struct *mm, struct mm_struct *oldmm)
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{
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return 0;
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}
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static inline void khugepaged_exit(struct mm_struct *mm)
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{
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}
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static inline int khugepaged_enter(struct vm_area_struct *vma,
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unsigned long vm_flags)
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{
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return 0;
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}
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static inline int khugepaged_enter_vma_merge(struct vm_area_struct *vma,
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unsigned long vm_flags)
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{
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return 0;
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}
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static inline void khugepaged_min_free_kbytes_update(void)
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{
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}
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#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
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#endif /* _LINUX_KHUGEPAGED_H */
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