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7fa8a8ee94
switching from a user process to a kernel thread. - More folio conversions from Kefeng Wang, Zhang Peng and Pankaj Raghav. - zsmalloc performance improvements from Sergey Senozhatsky. - Yue Zhao has found and fixed some data race issues around the alteration of memcg userspace tunables. - VFS rationalizations from Christoph Hellwig: - removal of most of the callers of write_one_page(). - make __filemap_get_folio()'s return value more useful - Luis Chamberlain has changed tmpfs so it no longer requires swap backing. Use `mount -o noswap'. - Qi Zheng has made the slab shrinkers operate locklessly, providing some scalability benefits. - Keith Busch has improved dmapool's performance, making part of its operations O(1) rather than O(n). - Peter Xu adds the UFFD_FEATURE_WP_UNPOPULATED feature to userfaultd, permitting userspace to wr-protect anon memory unpopulated ptes. - Kirill Shutemov has changed MAX_ORDER's meaning to be inclusive rather than exclusive, and has fixed a bunch of errors which were caused by its unintuitive meaning. - Axel Rasmussen give userfaultfd the UFFDIO_CONTINUE_MODE_WP feature, which causes minor faults to install a write-protected pte. - Vlastimil Babka has done some maintenance work on vma_merge(): cleanups to the kernel code and improvements to our userspace test harness. - Cleanups to do_fault_around() by Lorenzo Stoakes. - Mike Rapoport has moved a lot of initialization code out of various mm/ files and into mm/mm_init.c. - Lorenzo Stoakes removd vmf_insert_mixed_prot(), which was added for DRM, but DRM doesn't use it any more. - Lorenzo has also coverted read_kcore() and vread() to use iterators and has thereby removed the use of bounce buffers in some cases. - Lorenzo has also contributed further cleanups of vma_merge(). - Chaitanya Prakash provides some fixes to the mmap selftesting code. - Matthew Wilcox changes xfs and afs so they no longer take sleeping locks in ->map_page(), a step towards RCUification of pagefaults. - Suren Baghdasaryan has improved mmap_lock scalability by switching to per-VMA locking. - Frederic Weisbecker has reworked the percpu cache draining so that it no longer causes latency glitches on cpu isolated workloads. - Mike Rapoport cleans up and corrects the ARCH_FORCE_MAX_ORDER Kconfig logic. - Liu Shixin has changed zswap's initialization so we no longer waste a chunk of memory if zswap is not being used. - Yosry Ahmed has improved the performance of memcg statistics flushing. - David Stevens has fixed several issues involving khugepaged, userfaultfd and shmem. - Christoph Hellwig has provided some cleanup work to zram's IO-related code paths. - David Hildenbrand has fixed up some issues in the selftest code's testing of our pte state changing. - Pankaj Raghav has made page_endio() unneeded and has removed it. - Peter Xu contributed some rationalizations of the userfaultfd selftests. - Yosry Ahmed has fixed an issue around memcg's page recalim accounting. - Chaitanya Prakash has fixed some arm-related issues in the selftests/mm code. - Longlong Xia has improved the way in which KSM handles hwpoisoned pages. - Peter Xu fixes a few issues with uffd-wp at fork() time. - Stefan Roesch has changed KSM so that it may now be used on a per-process and per-cgroup basis. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZEr3zQAKCRDdBJ7gKXxA jlLoAP0fpQBipwFxED0Us4SKQfupV6z4caXNJGPeay7Aj11/kQD/aMRC2uPfgr96 eMG3kwn2pqkB9ST2QpkaRbxA//eMbQY= =J+Dj -----END PGP SIGNATURE----- Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of switching from a user process to a kernel thread. - More folio conversions from Kefeng Wang, Zhang Peng and Pankaj Raghav. - zsmalloc performance improvements from Sergey Senozhatsky. - Yue Zhao has found and fixed some data race issues around the alteration of memcg userspace tunables. - VFS rationalizations from Christoph Hellwig: - removal of most of the callers of write_one_page() - make __filemap_get_folio()'s return value more useful - Luis Chamberlain has changed tmpfs so it no longer requires swap backing. Use `mount -o noswap'. - Qi Zheng has made the slab shrinkers operate locklessly, providing some scalability benefits. - Keith Busch has improved dmapool's performance, making part of its operations O(1) rather than O(n). - Peter Xu adds the UFFD_FEATURE_WP_UNPOPULATED feature to userfaultd, permitting userspace to wr-protect anon memory unpopulated ptes. - Kirill Shutemov has changed MAX_ORDER's meaning to be inclusive rather than exclusive, and has fixed a bunch of errors which were caused by its unintuitive meaning. - Axel Rasmussen give userfaultfd the UFFDIO_CONTINUE_MODE_WP feature, which causes minor faults to install a write-protected pte. - Vlastimil Babka has done some maintenance work on vma_merge(): cleanups to the kernel code and improvements to our userspace test harness. - Cleanups to do_fault_around() by Lorenzo Stoakes. - Mike Rapoport has moved a lot of initialization code out of various mm/ files and into mm/mm_init.c. - Lorenzo Stoakes removd vmf_insert_mixed_prot(), which was added for DRM, but DRM doesn't use it any more. - Lorenzo has also coverted read_kcore() and vread() to use iterators and has thereby removed the use of bounce buffers in some cases. - Lorenzo has also contributed further cleanups of vma_merge(). - Chaitanya Prakash provides some fixes to the mmap selftesting code. - Matthew Wilcox changes xfs and afs so they no longer take sleeping locks in ->map_page(), a step towards RCUification of pagefaults. - Suren Baghdasaryan has improved mmap_lock scalability by switching to per-VMA locking. - Frederic Weisbecker has reworked the percpu cache draining so that it no longer causes latency glitches on cpu isolated workloads. - Mike Rapoport cleans up and corrects the ARCH_FORCE_MAX_ORDER Kconfig logic. - Liu Shixin has changed zswap's initialization so we no longer waste a chunk of memory if zswap is not being used. - Yosry Ahmed has improved the performance of memcg statistics flushing. - David Stevens has fixed several issues involving khugepaged, userfaultfd and shmem. - Christoph Hellwig has provided some cleanup work to zram's IO-related code paths. - David Hildenbrand has fixed up some issues in the selftest code's testing of our pte state changing. - Pankaj Raghav has made page_endio() unneeded and has removed it. - Peter Xu contributed some rationalizations of the userfaultfd selftests. - Yosry Ahmed has fixed an issue around memcg's page recalim accounting. - Chaitanya Prakash has fixed some arm-related issues in the selftests/mm code. - Longlong Xia has improved the way in which KSM handles hwpoisoned pages. - Peter Xu fixes a few issues with uffd-wp at fork() time. - Stefan Roesch has changed KSM so that it may now be used on a per-process and per-cgroup basis. * tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (369 commits) mm,unmap: avoid flushing TLB in batch if PTE is inaccessible shmem: restrict noswap option to initial user namespace mm/khugepaged: fix conflicting mods to collapse_file() sparse: remove unnecessary 0 values from rc mm: move 'mmap_min_addr' logic from callers into vm_unmapped_area() hugetlb: pte_alloc_huge() to replace huge pte_alloc_map() maple_tree: fix allocation in mas_sparse_area() mm: do not increment pgfault stats when page fault handler retries zsmalloc: allow only one active pool compaction context selftests/mm: add new selftests for KSM mm: add new KSM process and sysfs knobs mm: add new api to enable ksm per process mm: shrinkers: fix debugfs file permissions mm: don't check VMA write permissions if the PTE/PMD indicates write permissions migrate_pages_batch: fix statistics for longterm pin retry userfaultfd: use helper function range_in_vma() lib/show_mem.c: use for_each_populated_zone() simplify code mm: correct arg in reclaim_pages()/reclaim_clean_pages_from_list() fs/buffer: convert create_page_buffers to folio_create_buffers fs/buffer: add folio_create_empty_buffers helper ... |
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.. | ||
alphascale_asm9260-icoll.h | ||
exynos-combiner.c | ||
irq-al-fic.c | ||
irq-alpine-msi.c | ||
irq-apple-aic.c | ||
irq-armada-370-xp.c | ||
irq-aspeed-i2c-ic.c | ||
irq-aspeed-scu-ic.c | ||
irq-aspeed-vic.c | ||
irq-ath79-cpu.c | ||
irq-ath79-misc.c | ||
irq-atmel-aic5.c | ||
irq-atmel-aic-common.c | ||
irq-atmel-aic-common.h | ||
irq-atmel-aic.c | ||
irq-bcm2835.c | ||
irq-bcm2836.c | ||
irq-bcm6345-l1.c | ||
irq-bcm7038-l1.c | ||
irq-bcm7120-l2.c | ||
irq-brcmstb-l2.c | ||
irq-clps711x.c | ||
irq-crossbar.c | ||
irq-csky-apb-intc.c | ||
irq-csky-mpintc.c | ||
irq-davinci-cp-intc.c | ||
irq-digicolor.c | ||
irq-dw-apb-ictl.c | ||
irq-ftintc010.c | ||
irq-gic-common.c | ||
irq-gic-common.h | ||
irq-gic-pm.c | ||
irq-gic-realview.c | ||
irq-gic-v2m.c | ||
irq-gic-v3-its-fsl-mc-msi.c | ||
irq-gic-v3-its-pci-msi.c | ||
irq-gic-v3-its-platform-msi.c | ||
irq-gic-v3-its.c | ||
irq-gic-v3-mbi.c | ||
irq-gic-v3.c | ||
irq-gic-v4.c | ||
irq-gic.c | ||
irq-goldfish-pic.c | ||
irq-hip04.c | ||
irq-i8259.c | ||
irq-idt3243x.c | ||
irq-imgpdc.c | ||
irq-imx-gpcv2.c | ||
irq-imx-intmux.c | ||
irq-imx-irqsteer.c | ||
irq-imx-mu-msi.c | ||
irq-ingenic-tcu.c | ||
irq-ingenic.c | ||
irq-ixp4xx.c | ||
irq-jcore-aic.c | ||
irq-keystone.c | ||
irq-loongarch-cpu.c | ||
irq-loongson-eiointc.c | ||
irq-loongson-htpic.c | ||
irq-loongson-htvec.c | ||
irq-loongson-liointc.c | ||
irq-loongson-pch-lpc.c | ||
irq-loongson-pch-msi.c | ||
irq-loongson-pch-pic.c | ||
irq-lpc32xx.c | ||
irq-ls1x.c | ||
irq-ls-extirq.c | ||
irq-ls-scfg-msi.c | ||
irq-madera.c | ||
irq-mbigen.c | ||
irq-mchp-eic.c | ||
irq-meson-gpio.c | ||
irq-mips-cpu.c | ||
irq-mips-gic.c | ||
irq-mmp.c | ||
irq-mscc-ocelot.c | ||
irq-mst-intc.c | ||
irq-mtk-cirq.c | ||
irq-mtk-sysirq.c | ||
irq-mvebu-gicp.c | ||
irq-mvebu-icu.c | ||
irq-mvebu-odmi.c | ||
irq-mvebu-pic.c | ||
irq-mvebu-sei.c | ||
irq-mxs.c | ||
irq-nvic.c | ||
irq-omap-intc.c | ||
irq-ompic.c | ||
irq-or1k-pic.c | ||
irq-orion.c | ||
irq-owl-sirq.c | ||
irq-partition-percpu.c | ||
irq-pic32-evic.c | ||
irq-pruss-intc.c | ||
irq-qcom-mpm.c | ||
irq-rda-intc.c | ||
irq-realtek-rtl.c | ||
irq-renesas-intc-irqpin.c | ||
irq-renesas-irqc.c | ||
irq-renesas-rza1.c | ||
irq-renesas-rzg2l.c | ||
irq-riscv-intc.c | ||
irq-sa11x0.c | ||
irq-sifive-plic.c | ||
irq-sl28cpld.c | ||
irq-sni-exiu.c | ||
irq-sp7021-intc.c | ||
irq-st.c | ||
irq-stm32-exti.c | ||
irq-sun4i.c | ||
irq-sun6i-r.c | ||
irq-sunxi-nmi.c | ||
irq-tb10x.c | ||
irq-tegra.c | ||
irq-ti-sci-inta.c | ||
irq-ti-sci-intr.c | ||
irq-ts4800.c | ||
irq-uniphier-aidet.c | ||
irq-versatile-fpga.c | ||
irq-vf610-mscm-ir.c | ||
irq-vic.c | ||
irq-vt8500.c | ||
irq-wpcm450-aic.c | ||
irq-xilinx-intc.c | ||
irq-xtensa-mx.c | ||
irq-xtensa-pic.c | ||
irq-zevio.c | ||
irqchip.c | ||
Kconfig | ||
Makefile | ||
qcom-irq-combiner.c | ||
qcom-pdc.c | ||
spear-shirq.c |