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https://www.linux.org/threads/the-linux-kernel-configuring-the-kernel-part-4.8851/
Jun 16, 2014 · The Linux Kernel: Configuring the Kernel Part 4. Thread starter DevynCJohnson; Start date Aug 5, ... (Transparent Hugepage Support (TRANSPARENT_HUGEPAGE)), enable this feature. This speeds up the system, but more memory is needed. ... Transparent Hugepage Support sysfs defaults 1. always (TRANSPARENT_HUGEPAGE_ALWAYS) > 2. madvise (TRANSPARENT ...
https://www.phoronix.com/scan.php?page=article&item=linux_transparent_hugepages&num=1
Dec 08, 2010 · Speeding Up The Linux Kernel With Transparent Hugepage Support. Written by ... The Transparent Hugepage support can then be toggled in the newly built kernel at boot-time with the transparent_hugepage option or via its sysfs interface ... For our simple purposes we just tested this Linux kernel support with it at its defaults and then when ...
https://events.static.linuxfound.org/slides/2011/lfcs/lfcs2011_hpc_arcangeli.pdf
Transparent Hugepages allocated in page faults The higher the better thp_fault_fallback 546 Failure in allocating hugepage in fault → fallback to 4k The lower the better thp_collapse_alloc 113 Transparent Hugepages collapsed by khugepaged thp_collapse_alloc_failed 5 Failure in allocating hugepage in khugepaged thp_split 22608
https://www.golinuxhub.com/2018/08/enable-or-disable-transparent-anon-hugepage-thp-check-status-examples-linux.html
Aug 05, 2018 · You can change the sysfs boot time defaults of Transparent Hugepage support by passing the parameter "transparent_hugepage=always" or "transparent_hugepage=madvise" or "transparent_hugepage=never" to the kernel command line. To disable THP use "transparent_hugepage=never" to the kernel command line in the grub configuration file.5/5
https://www.kernel.org/doc/html/latest/admin-guide/mm/transhuge.html
Transparent HugePage Support (THP) is an alternative mean of using huge pages for the backing of virtual memory with huge pages that supports the automatic promotion and demotion of page sizes and without the shortcomings of hugetlbfs. ... You can change the sysfs boot time defaults of Transparent Hugepage Support by passing the parameter ...
https://github.com/Xilinx/linux-xlnx/blob/master/mm/Kconfig
Selects the sysfs defaults for Transparent Hugepage Support. config TRANSPARENT_HUGEPAGE_ALWAYS: bool "always" help: Enabling Transparent Hugepage always, can increase the: memory footprint of applications without a guaranteed: benefit but it will work automatically for all applications. config TRANSPARENT_HUGEPAGE_MADVISE: bool "madvise" …
https://docs.mongodb.com/manual/tutorial/transparent-huge-pages/
Transparent Huge Pages (THP) is a Linux memory management system that reduces the overhead of Translation Lookaside Buffer (TLB) lookups on machines with large amounts of …
https://stackoverflow.com/questions/51246128/disabling-thp-transparent-hugepages-with-ansible-role
I'm trying to disable THP via ansible on vagrant up, because it interferes with Redis (causes latency and memore usage issues with redis if enabled) The command to disable THP is "echo never > /...
https://lkml.org/lkml/2019/11/18/1031
@@ -385,7 +385,7 @@ config TRANSPARENT_HUGEPAGE choice prompt "Transparent Hugepage Support sysfs defaults" depends on TRANSPARENT_HUGEPAGE - default TRANSPARENT_HUGEPAGE_ALWAYS + default TRANSPARENT_HUGEPAGE_MADVISE help Selects the sysfs defaults for Transparent Hugepage Support.-- 2.17.2
https://salsa.debian.org/kernel-team/linux/commit/611a8e67260e8b8190ab991206a3867681d6df91
thp: Enable TRANSPARENT_HUGEPAGE_ALWAYS instead of TRANSPARENT_HUGEPAGE_MADVISE As advised by Andrea Arcangeli - since commit 444eb2a4 "mm: thp: set THP defrag by default to madvise and add a stall-free defrag option" this will generally be best for performance.
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