Web19 aug. 2008 · new_prot_val comes from arch/x86/mm/pat.c:reserve_memtype() which calls chk_conflict() because of this conflict: Xorg:3880 memory types e077f000-e079f000 … WebUsing I/O Memory. Despite the popularity of I/O ports in the x86 world, the main mechanism used to communicate with devices is through memory-mapped registers and device memory. Both are called I/O memory because the difference between registers and memory is transparent to software. I/O memory is simply a region of RAM-like locations …
arch/x86/mm/ioremap.c - kernel/msm.git - Git at Google
WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH] pstore/ram: Clarify resource reservation labels @ 2024-10-18 0:29 Kees Cook 2024-10-18 0:49 ` Dan Williams 0 siblings, 1 reply; 15+ messages in thread From: Kees Cook @ 2024-10-18 0:29 UTC (permalink / raw) To: linux-kernel Cc: Anton Vorontsov, Colin Cross, Tony Luck, … Web25 aug. 2015 · Aug 25 14:13:20 amd64 kernel: x86/PAT: reserve_memtype failed [mem 0x00000000-0x000fffff], ... I do not support Workstation 16 at this time ... View solution in … how much is the fine for cyber libel
Thread: [Bug 17085] New: [GEM i965] DRM fails to map ringbuffer
Web17 jul. 2015 · [ 247.303346] modprobe:1402 conflicting memory types 1f400000-3df400000 write-back<->write-combining [ 247.303350] reserve_memtype failed [mem 0x1f400000-0x3df3fffff], track uncached-minus, req uncached-minus [ 247.303352] ioremap reserve_memtype failed -16 [ 247.303376] phram: ioremap failed [ 247.303393] … WebThe first is down to ioremap not wanting to allow remapping of already existing memory. The second is that when we switch to using LMB instead of bootmem, this makes the use of reserve_bootmem() a problem in fb.c. There's really one option for this - in the machine's fixup handler, you can walk the meminfo array and kick out some memory from that. Web15 sep. 2011 · 我刚大致看了一下ioremap的实现源码,在这个函数里面主要是调用了get_vm_area这个函数,而get_vm_area里在分配内存空间时,使用的是kmalloc ( , … how do i get access to microsoft loop