kernelnewbies archive · June 2020

80 messages across 27 threads, ordered by last activity .

• STALE2212d Is there some method or software that could purposely generate a lot of physical memory fragmentations on linux?
  2020-06-30 06:52 · 0 replies this month · 孙世龙 sunshilong <hidden>
• STALE2214d Where to place my driver
  2020-06-30 06:13 · 1 reply this month · jaap aarts <hidden>
• STALE2210d Git pull and untracked files
  2020-06-29 00:15 · 2 replies this month · Gautam Bhat <hidden>
• STALE2218d Advice about the linux kernel development process
  2020-06-27 11:46 · 2 replies this month · Oscar Carter <hidden>
• STALE2218d Are there some potential problems that I should be aware of if I allocate the memory which doesn't have any relation to peripheral hardwares(i.e. DMA, PCI, serial port and etc) by vmalloc() instead of kmalloc()?
  2020-06-27 07:05 · 8 replies this month · 孙世龙 sunshilong <hidden>
• DORMANTno replies Besides kmalloc() is more efficient, are there some potential problems that I should be aware of if I allocate the memory which doesn't have any relation to peripheral hardwares(i.e. DMA,PCI,serial port and etc) by vmalloc() instead of kmalloc() to avoid the page allocation failure?
  2020-06-26 08:29 · 0 replies this month · 孙世龙 sunshilong <hidden>
• DORMANTno replies Are there still some methods that could be used by the Linux kernel to reduce memory fragmentation while both CONFIG-MIGRATION and CONFIG-COMPACTION are disabled?
  2020-06-23 15:49 · 0 replies this month · 孙世龙 sunshilong <hidden>
• DORMANTno replies What are the potential problems if the option CONFIG_MIGRATION is disabled?
  2020-06-22 16:17 · 0 replies this month · 孙世龙 sunshilong <hidden>
• STALE2223d Crash recovery kernel error
  2020-06-22 05:31 · 3 replies this month · Harsh chopra <hidden>
• STALE2225d Why does “page allocation failure” occur whereas there are still “58*4096kB (C)” could be used?
  2020-06-20 09:52 · 5 replies this month · 孙世龙 <hidden>
• STALE2225d How do you comprehend the saying that the kernel's memory is not pageable whereas get_free_page use a page-oriented technique?
  2020-06-20 09:40 · 2 replies this month · 孙世龙 sunshilong <hidden>
• DORMANTno replies What the differences between "__GFP_NOFAIL" and "__GFP_REPEAT"?
  2020-06-20 05:35 · 0 replies this month · 孙世龙 sunshilong <hidden>
• DORMANTno replies About the uage of "__GFP_COMP"?
  2020-06-20 01:36 · 0 replies this month · 孙世龙 sunshilong <hidden>
• STALE2226d Current Instruction Pointer Along Memory Access for A specific Process
  2020-06-19 22:11 · 3 replies this month · Irfan Ullah (울라 이르판) <hidden>
• DORMANTno replies Why did not the kernel use the memory block named by "Node 0 DMA" while the argument of funtion kzalloc is "GFP_KERNEL"?
  2020-06-19 10:00 · 0 replies this month · 孙世龙 sunshilong <hidden>
• DORMANTno replies Why the kernel could not use the memory block contained by "Node 0 DMA" while the argument of kzalloc() is "GFP_KERNEL"?
  2020-06-19 09:46 · 0 replies this month · 孙世龙 sunshilong <hidden>
• STALE2226d There is a question mark in front of the function name in the call trace log.What does the question mark imply?
  2020-06-19 07:58 · 1 reply this month · 孙世龙 <hidden>
• STALE2226d DKMS module and recipe for target '.../virtualbox/5.2.34/build/vboxdrv' failed
  2020-06-19 04:47 · 3 replies this month · Jeffrey Walton <hidden>
• STALE2228d the cost of EXPORT_SYMBOL_GPL
  2020-06-17 18:33 · 17 replies this month · Tomek The Messenger <hidden>
• DORMANTno replies Cannot get FIQ to work properly on raspberry zero
  2020-06-17 13:04 · 0 replies this month · Sietse Achterop <hidden>
• DORMANTno replies issue with ASUS Fan maximal mode
  2020-06-14 10:31 · 0 replies this month · Sergey Ivanov <hidden>
• STALE2232d replacing if-then-else strcmp ladders with switch cases
  2020-06-13 17:10 · 2 replies this month · jim.cromie@gmail.com
• STALE2234d sticky bits in /proc etc
  2020-06-11 15:10 · 2 replies this month · jim.cromie@gmail.com
• STALE2235d Generic way for verifying GPIO wakeup capability
  2020-06-10 17:59 · 1 reply this month · Pintu Agarwal <hidden>
• DORMANTno replies Re: [staging-testing] drivers/staging/wfx/hif_tx.c
  2020-06-10 08:11 · 0 replies this month · Jérôme Pouiller <jerome.pouiller@silabs.com>
• DORMANTno replies [staging-testing] drivers/staging/wfx/hif_tx.c
  2020-06-10 08:01 · 0 replies this month · Mohamed Dawod <hidden>
• STALE2242d IPX support
  2020-06-03 09:39 · 1 reply this month · Dmitry Podgorny <hidden>