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cc17504307
android12-5.10 February 2023 release 1 Artifacts: https://ci.android.com/builds/submitted/9611440/kernel_aarch64/latest * tag 'android12-5.10-2023-02_r1': (5560 commits) ANDROID: GKI: Enable ARM64_ERRATUM_2454944 ANDROID: dma-ops: Add restricted vendor hook ANDROID: arm64: Work around Cortex-A510 erratum 2454944 ANDROID: mm/vmalloc: Add override for lazy vunmap ANDROID: cpuidle-psci: Fix suspicious RCU usage ANDROID: ABI: update allowed list for galaxy FROMGIT: f2fs: add sysfs nodes to set last_age_weight FROMGIT: f2fs: fix wrong calculation of block age ANDROID: struct io_uring ABI preservation hack for 5.10.162 changes ANDROID: fix up struct task_struct ABI change in 5.10.162 ANDROID: add flags variable back to struct proto_ops UPSTREAM: io_uring: pass in EPOLL_URING_WAKE for eventfd signaling and wakeups UPSTREAM: eventfd: provide a eventfd_signal_mask() helper UPSTREAM: eventpoll: add EPOLL_URING_WAKE poll wakeup flag UPSTREAM: Revert "proc: don't allow async path resolution of /proc/self components" UPSTREAM: Revert "proc: don't allow async path resolution of /proc/thread-self components" UPSTREAM: net: remove cmsg restriction from io_uring based send/recvmsg calls UPSTREAM: task_work: unconditionally run task_work from get_signal() UPSTREAM: signal: kill JOBCTL_TASK_WORK UPSTREAM: io_uring: import 5.15-stable io_uring ... Change-Id: I2b16474d6e3a91f1d702486ec6d1565a7bc310e3 Conflicts: Documentation/ABI/testing/configfs-usb-gadget-uac2 Documentation/usb/gadget-testing.rst Makefile arch/arm/boot/dts/rk3288-evb-act8846.dts arch/arm64/mm/Makefile drivers/dma-buf/dma-buf.c drivers/gpu/drm/bridge/analogix/analogix_dp_core.c drivers/gpu/drm/bridge/synopsys/dw-hdmi.c drivers/gpu/drm/rockchip/analogix_dp-rockchip.c drivers/gpu/drm/rockchip/rockchip_drm_vop.c drivers/mmc/core/mmc.c drivers/pci/controller/dwc/pcie-designware-host.c drivers/pinctrl/pinctrl-rockchip.c drivers/regulator/core.c drivers/usb/dwc3/ep0.c drivers/usb/dwc3/gadget.c drivers/usb/gadget/function/f_hid.c drivers/usb/gadget/function/f_uac1.c drivers/usb/gadget/function/f_uac2.c drivers/usb/gadget/function/u_audio.c drivers/usb/gadget/function/u_audio.h drivers/usb/gadget/function/u_uac2.h drivers/usb/host/xhci.h drivers/usb/storage/unusual_uas.h drivers/usb/typec/altmodes/displayport.c include/linux/page_ext.h mm/cma.c mm/page_ext.c sound/core/pcm_dmaengine.c sound/soc/codecs/hdmi-codec.c include/linux/stmmac.h sound/drivers/aloop.c drivers/pci/controller/dwc/pcie-designware.h
108 lines
2.1 KiB
C
108 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LINUX_PAGE_EXT_H
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#define __LINUX_PAGE_EXT_H
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#include <linux/types.h>
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#include <linux/stacktrace.h>
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#include <linux/stackdepot.h>
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struct pglist_data;
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struct page_ext_operations {
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size_t offset;
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size_t size;
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bool (*need)(void);
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void (*init)(void);
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};
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#ifdef CONFIG_PAGE_EXTENSION
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enum page_ext_flags {
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PAGE_EXT_OWNER,
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PAGE_EXT_OWNER_ALLOCATED,
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#if defined(CONFIG_PAGE_IDLE_FLAG) && !defined(CONFIG_64BIT)
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PAGE_EXT_YOUNG,
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PAGE_EXT_IDLE,
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#endif
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};
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/*
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* Page Extension can be considered as an extended mem_map.
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* A page_ext page is associated with every page descriptor. The
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* page_ext helps us add more information about the page.
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* All page_ext are allocated at boot or memory hotplug event,
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* then the page_ext for pfn always exists.
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*/
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struct page_ext {
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unsigned long flags;
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};
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extern bool early_page_ext;
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extern unsigned long page_ext_size;
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extern void pgdat_page_ext_init(struct pglist_data *pgdat);
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static inline bool early_page_ext_enabled(void)
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{
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return early_page_ext;
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}
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#ifdef CONFIG_SPARSEMEM
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static inline void page_ext_init_flatmem(void)
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{
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}
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extern void page_ext_init(void);
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static inline void page_ext_init_flatmem_late(void)
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{
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}
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#else
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extern void page_ext_init_flatmem(void);
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extern void page_ext_init_flatmem_late(void);
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static inline void page_ext_init(void)
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{
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}
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#endif
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extern struct page_ext *page_ext_get(struct page *page);
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extern void page_ext_put(struct page_ext *page_ext);
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static inline struct page_ext *page_ext_next(struct page_ext *curr)
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{
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void *next = curr;
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next += page_ext_size;
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return next;
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}
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#else /* !CONFIG_PAGE_EXTENSION */
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struct page_ext;
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static inline bool early_page_ext_enabled(void)
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{
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return false;
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}
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static inline void pgdat_page_ext_init(struct pglist_data *pgdat)
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{
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}
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static inline void page_ext_init(void)
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{
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}
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static inline void page_ext_init_flatmem_late(void)
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{
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}
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static inline void page_ext_init_flatmem(void)
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{
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}
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static inline struct page_ext *page_ext_get(struct page *page)
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{
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return NULL;
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}
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static inline void page_ext_put(struct page_ext *page_ext)
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{
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}
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#endif /* CONFIG_PAGE_EXTENSION */
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#endif /* __LINUX_PAGE_EXT_H */
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