LKML News v5.17

mmotm 2022-03-14-22-42 uploaded (Andrew Morton) https://lkml.kernel.org/r/20220315054352.5B187C340E8@smtp.kernel.org The -mm tree is updated. It is rebased on 5.17-rc8, added 20 new patches, modified 10 patches, and dropped 2 patches. In total, 475 patches in the queue. [LSF/MM TOPIC] Better handling of negative dentries (Mattew Wilcox) https://lkml.kernel.org/r/YjDvRPuxPN0GsxLB@casper.infradead.org There could be millions of negative dentries on a system having large memory and no memory pressure, because the number of negative dentries is constrained only by memory size....

March 15, 2022 · 2 min · 243 words · Me

LKML News v5.17-rc8

mmotm 2022-03-06-20-33 uploaded (Andrew Morton) https://lkml.kernel.org/r/20220307043435.251DBC340E9@smtp.kernel.org The -mm tree has updated. It’s based on v5.17-rc6, added 19 patches, modified 6 patches, and dropped 19 patches. In totla, 428 patches in the queue. [PATCH v3] mm: add ztree - new allocator for use via zpool API (Ananda) https://lkml.kernel.org/r/20220307142724.14519-1-a.badmaev@clicknet.pro Third version of ztree, which is intended to be used for storing compressed objects per ztree block. Comparing to the previous version, compiler warnings have fixed....

March 7, 2022 · 2 min · 328 words · Me

LKML News v5.17-rc7

[PATCH/RESEND] mm: add ztree - new allocator for use via zpool API (Ananda) https://lkml.kernel.org/r/20220228110546.151513-1-a.badmaev@clicknet.pro Ztree is another zpool backend that superior with regard to the worst execution time. mmotm 2022-02-28-14-45 uploaded (Andrew Morton) https://lkml.kernel.org/r/20220228224600.44415C340EE@smtp.kernel.org mmotm has updated. It’s rebased on 5.17-rc6, added 56 new patches, modified 85 patches, and dropped 55 patches. In total, 378 patches are in the queue. [PATCH -V14 0/3] NUMA balancing: optimize memory placement for memory tiering system (Huang Ying) https://lkml....

March 1, 2022 · 3 min · 431 words · Me

LKML News v5.17-rc6

[PATCH -V13 0/3] NUMA balancing: optimize memory placement for memory tiering system (Huang Ying) https://lkml.kernel.org/r/20220221084529.1052339-1-ying.huang@intel.com The AutoNUMA patchset for tiered memory system has revised again. [LSF/MM/BPF TOPIC] page table reclaim (David Hildenbrand) https://lkml.kernel.org/r/7b908208-02f8-6fde-4dfc-13d5e00310a6@redhat.com Some workloads allocates a lot of page tables. As page tables are unmovable and unreclaimable, this can contribute to memory pressure. David is proposing making it reclaimable and suggesting discussion in LSF/MM/BPF summit for the idea. [RFC PATCH 00/47] Address Space Isolation for KVM (Junaid Shahid) https://lkml....

February 22, 2022 · 2 min · 329 words · Me

LKML News v5.17-rc5

[PATCH v3 0/3] Add hugetlb MADV_DONTNEED support (Mike Kravetz) https://lkml.kernel.org/r/20220215002348.128823-1-mike.kravetz@oracle.com MADV_DONTNEED can be used for hugetlb but currently prohibits it with a simple check. This commit removes the check to enable MADV_DONENEED for hugetlb. mmotm 2022-02-14-17-46 uploaded (Andrew Morton) https://lkml.kernel.org/r/20220215014633.9CD9CC340E9@smtp.kernel.org mmotm has updated. It’s rebased on 5.17-rc4, added 20 new patches, modified 295 patches, and dropped 10 patches. In total, 316 patches in the queue. [PATCH v6 00/71] Introducing the Maple Tree (Liam Howlett) https://lkml....

February 15, 2022 · 2 min · 316 words · Me