af1d3ae977
Documentation/filesystems/fscrypt.rst arch/arm/common/Kconfig arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi arch/arm64/boot/dts/arm/juno-clocks.dtsi arch/arm64/boot/dts/broadcom/ns2.dtsi arch/arm64/boot/dts/lg/lg1312.dtsi arch/arm64/boot/dts/lg/lg1313.dtsi arch/arm64/boot/dts/marvell/armada-37xx.dtsi arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi arch/arm64/boot/dts/nvidia/tegra210.dtsi arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi arch/arm64/boot/dts/qcom/msm8996.dtsi arch/arm64/configs/ranchu64_defconfig arch/arm64/include/asm/cpucaps.h arch/arm64/kernel/cpufeature.c arch/arm64/kernel/traps.c arch/arm64/mm/mmu.c crypto/Makefile crypto/ablkcipher.c crypto/blkcipher.c crypto/testmgr.h crypto/zstd.c drivers/android/binder.c drivers/android/binder_alloc.c drivers/char/random.c drivers/clocksource/exynos_mct.c drivers/dma/pl330.c drivers/hid/hid-sony.c drivers/hid/uhid.c drivers/hid/usbhid/hiddev.c drivers/i2c/i2c-core.c drivers/md/dm-crypt.c drivers/media/v4l2-core/videobuf2-v4l2.c drivers/mmc/host/dw_mmc.c drivers/net/ethernet/broadcom/tg3.c drivers/net/usb/r8152.c drivers/scsi/scsi_logging.c drivers/scsi/sd.c drivers/scsi/ufs/ufshcd-pci.c drivers/scsi/ufs/ufshcd-pltfrm.c drivers/staging/android/Kconfig drivers/staging/android/ion/ion.c drivers/staging/android/ion/ion_priv.h drivers/staging/android/ion/ion_system_heap.c drivers/staging/android/lowmemorykiller.c drivers/tty/serial/samsung.c drivers/usb/dwc3/core.c drivers/usb/dwc3/gadget.c drivers/usb/host/xhci-hub.c drivers/video/fbdev/core/fbmon.c drivers/video/fbdev/core/modedb.c fs/crypto/fname.c fs/crypto/fscrypt_private.h fs/crypto/keyinfo.c fs/ext4/ialloc.c fs/ext4/namei.c fs/ext4/xattr.c fs/f2fs/checkpoint.c fs/f2fs/data.c fs/f2fs/debug.c fs/f2fs/dir.c fs/f2fs/f2fs.h fs/f2fs/file.c fs/f2fs/gc.c fs/f2fs/inline.c fs/f2fs/inode.c fs/f2fs/namei.c fs/f2fs/node.c fs/f2fs/recovery.c fs/f2fs/segment.c fs/f2fs/segment.h fs/f2fs/super.c fs/f2fs/sysfs.c fs/fat/dir.c fs/fat/fatent.c fs/file.c fs/namespace.c fs/pnode.c fs/proc/inode.c fs/proc/root.c fs/proc/task_mmu.c fs/sdcardfs/dentry.c fs/sdcardfs/derived_perm.c fs/sdcardfs/file.c fs/sdcardfs/inode.c fs/sdcardfs/lookup.c fs/sdcardfs/main.c fs/sdcardfs/sdcardfs.h fs/sdcardfs/super.c include/linux/blk_types.h include/linux/cpuhotplug.h include/linux/cred.h include/linux/fb.h include/linux/power_supply.h include/linux/sched.h include/linux/zstd.h include/trace/events/sched.h include/uapi/linux/android/binder.h init/Kconfig init/main.c kernel/bpf/hashtab.c kernel/cpu.c kernel/cred.c kernel/fork.c kernel/locking/spinlock_debug.c kernel/panic.c kernel/printk/printk.c kernel/sched/Makefile kernel/sched/core.c kernel/sched/fair.c kernel/sched/rt.c kernel/sched/walt.c kernel/sched/walt.h kernel/trace/trace.c lib/bug.c lib/list_debug.c lib/vsprintf.c lib/zstd/bitstream.h lib/zstd/compress.c lib/zstd/decompress.c lib/zstd/fse.h lib/zstd/fse_compress.c lib/zstd/fse_decompress.c lib/zstd/huf_compress.c lib/zstd/huf_decompress.c lib/zstd/zstd_internal.h mm/debug.c mm/filemap.c mm/rmap.c net/core/filter.c net/ipv4/sysctl_net_ipv4.c net/ipv4/sysfs_net_ipv4.c net/ipv4/tcp_input.c net/ipv4/tcp_output.c net/ipv4/udp.c net/ipv6/netfilter/nf_conntrack_reasm.c net/netfilter/Kconfig net/netfilter/Makefile net/netfilter/xt_qtaguid.c net/netfilter/xt_qtaguid_internal.h net/xfrm/xfrm_policy.c net/xfrm/xfrm_state.c scripts/checkpatch.pl security/selinux/hooks.c sound/core/compress_offload.c
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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* zsmalloc memory allocator
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*
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* Copyright (C) 2011 Nitin Gupta
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* Copyright (C) 2012, 2013 Minchan Kim
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*
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* This code is released using a dual license strategy: BSD/GPL
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* You can choose the license that better fits your requirements.
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*
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* Released under the terms of 3-clause BSD License
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* Released under the terms of GNU General Public License Version 2.0
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*/
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#ifndef _ZS_MALLOC_H_
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#define _ZS_MALLOC_H_
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#include <linux/types.h>
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/*
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* zsmalloc mapping modes
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*
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* NOTE: These only make a difference when a mapped object spans pages.
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* They also have no effect when PGTABLE_MAPPING is selected.
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*/
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enum zs_mapmode {
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ZS_MM_RW, /* normal read-write mapping */
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ZS_MM_RO, /* read-only (no copy-out at unmap time) */
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ZS_MM_WO, /* write-only (no copy-in at map time) */
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#ifdef CONFIG_ZSWAP_SAME_PAGE_SHARING
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ZS_MM_RO_NOWAIT /* read-only (no wait if the handle is busy)*/
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#endif
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/*
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* NOTE: ZS_MM_WO should only be used for initializing new
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* (uninitialized) allocations. Partial writes to already
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* initialized allocations should use ZS_MM_RW to preserve the
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* existing data.
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*/
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};
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struct zs_pool_stats {
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/* How many pages were migrated (freed) */
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unsigned long pages_compacted;
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};
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struct zs_pool;
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struct zs_pool *zs_create_pool(const char *name);
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void zs_destroy_pool(struct zs_pool *pool);
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unsigned long zs_malloc(struct zs_pool *pool, size_t size, gfp_t flags);
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void zs_free(struct zs_pool *pool, unsigned long obj);
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size_t zs_huge_class_size(struct zs_pool *pool);
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void *zs_map_object(struct zs_pool *pool, unsigned long handle,
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enum zs_mapmode mm);
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void zs_unmap_object(struct zs_pool *pool, unsigned long handle);
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unsigned long zs_get_total_pages(struct zs_pool *pool);
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unsigned long zs_compact(struct zs_pool *pool);
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void zs_pool_stats(struct zs_pool *pool, struct zs_pool_stats *stats);
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#endif
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