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Linux Kernel
The mainline Linux kernel.
Other Activity This Week
- Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Linus Torvalds - Merge tag 'staging-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Linus Torvalds
Recent Activity
- Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Linus Torvalds - Merge tag 'staging-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Linus Torvalds - Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Linus Torvalds - mm: memcg: get number of pages on the LRU list in memcgroup base on lru_zone_size
Honglei Wang: Commit 1a61ab8038e72 ("mm: memcontrol: replace zone summing with lruvec_page_state()") has made lruvec_page_state to use per-cpu counters instead of calculating it directly from lru_zone_size with an idea that this would be more effective. Tim has reported that this is not really the case for their database benchmark which is showing an opposite results where lruvec_page_state is taking up a huge chunk of CPU cycles (about 25% of the system time which is roughly 7% of total cpu cycles) on 5.3 kernels. - mm/memunmap: don't access uninitialized memmap in memunmap_pages()
Aneesh Kumar K.V: Patch series "mm/memory_hotplug: Shrink zones before removing memory", v6. This series fixes the access of uninitialized memmaps when shrinking zones/nodes and when removing memory. - Merge tag 'for-5.4/block-2019-09-16' of git://git.kernel.dk/linux-block
Linus Torvalds
Linux Kernel Release Tags
- Linux 5.4-rc6
Linus Torvalds - Linux 5.4-rc4
Linus Torvalds - Linux 5.4-rc3
Linus Torvalds - Linux 5.4-rc1
Linus Torvalds - Linux 5.3-rc7
Linus Torvalds - Linux 5.3-rc6
Linus Torvalds - Linux 5.3-rc5
Linus Torvalds - Linux 5.3-rc4
Linus Torvalds - Linux 5.3-rc3
Linus Torvalds - Linux 5.3-rc2
Linus Torvalds
Most Popular This Year
- tmpfs: fix link accounting when a tmpfile is linked in
Darrick J. Wong: tmpfs has a peculiarity of accounting hard links as if they were separate inodes: so that when the number of inodes is limited, as it is by default, a user cannot soak up an unlimited amount of unreclaimable dcache memory just by repeatedly linking a file. But when v3.11 added O_TMPFILE, and the ability to use linkat() on the fd, we missed accommodating this new case in tmpfs: "df -i" shows that an extra "inode" remains accounted after the file is unlinked and the fd closed and the actual inode evicted. - mm, thp: restore node-local hugepage allocations
David Rientjes: This is a full revert of ac5b2c18911f ("mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings") and a partial revert of 89c83fb539f9 ("mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask"). By not setting __GFP_THISNODE, applications can allocate remote hugepages when the local node is fragmented or low on memory when either the thp defrag setting is "always" or the vma has been madvised with MADV_HUGEPAGE. Remote access to hugepages often has much higher latency than local pages of the native page size. - kasan, slab: make freelist stored without tags
Andrey Konovalov: Similarly to "kasan, slub: move kasan_poison_slab hook before page_address", move kasan_poison_slab() before alloc_slabmgmt(), which calls page_address(), to make page_address() return value to be non-tagged. - exec: load_script: Do not exec truncated interpreter path
Kees Cook: Commit 8099b047ecc4 ("exec: load_script: don't blindly truncate shebang string") was trying to protect against a confused exec of a truncated interpreter path. - ia64: Make sure that we have a mmiowb function real early
Tony Luck: Generic kernels feed many operation through the "machvec" logic to get the correct form of the operation for the current system. - mm: memcg: get number of pages on the LRU list in memcgroup base on lru_zone_size
Honglei Wang: Commit 1a61ab8038e72 ("mm: memcontrol: replace zone summing with lruvec_page_state()") has made lruvec_page_state to use per-cpu counters instead of calculating it directly from lru_zone_size with an idea that this would be more effective. Tim has reported that this is not really the case for their database benchmark which is showing an opposite results where lruvec_page_state is taking up a huge chunk of CPU cycles (about 25% of the system time which is roughly 7% of total cpu cycles) on 5.3 kernels. - Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Linus Torvalds - Merge tag 'sound-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Linus Torvalds - Merge tag 'staging-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Linus Torvalds - Merge tag 'hwmon-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Linus Torvalds