Memblock_is_map_memory
Web13 dec. 2024 · Use memblock_is_map_memory() instead of pfn_valid() to check if a PFN is in RAM or not. Reported-by: Guenter Roeck Fixes: … Web5 sep. 2016 · EFI adds any region we can map as normal memory to memblock.memory, it also adds anything it considers reserved to the memblock.nomap, e.g. the ACPI …
Memblock_is_map_memory
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Web5 jul. 2024 · Use memblock_is_map_memory () instead of pfn_valid () to check if a PFN is in RAM or not. Reported-by: Guenter Roeck Signed-off-by: Mike Rapoport --- arch/arm/mm/ioremap.c 4 +++- 1 file changed, 3 insertions (+), 1 deletion (-) diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c Web13 apr. 2024 · memblock的基本单位是region; 将memblock划分为reserved部分和memory部分: reserve部分其实是已经使用了的,早期分配时先将FDT的搞出来,如果 …
WebIn the current code, the kernel command-line parameter mem= and memmap= can not work well on MIPS, this patchset refactors the related code to fix them. v5: Support … WebMemblock is a method of managing memory regions during the early boot period when the usual kernel memory allocators are not up and running. Memblock views the system …
Webmap in read mode . PW_MEMMAP_FLAG_WRITE map in write mode . PW_MEMMAP_FLAG_TWICE map the same area twice after each other, creating a … Web31 dec. 2024 · Along with that, for an overall better understanding, we will also look at its syntax and parameter. Then we will see the application of all the theory part through a …
Web31 mrt. 2024 · On Mon, Mar 30, 2024 at 11:58:43AM +0200, Michal Hocko wrote: > > What would it take to make ia64 use HAVE_MEMBLOCK_NODE_MAP? I would > really love to see that thing go away. It is causing problems when > people try to use memblock api. Well, it's a small patch in the end :) Currently all NUMA architectures currently enable …
Web5 jul. 2024 · Subject: [PATCH] arm: ioremap: don't abuse pfn_valid() to check if pfn is in RAM The semantics of pfn_valid() is to check presence of the memory map for a PFN … hank hill bobbyWebArd, I was wondering if we can actually have this changed to something like CONFIG_MEMBLOCK_PFN_VALID and shared instead of it being arm specific? Is there a reason it's only usable for arm? The rest is dependent on this, hence I suggested to place it close-by. But generalizing it all would make it a lot cleaner. hank hill body pillow payday 2 modWeb1. IO mapped IO (or a separate IO address space) is not necessary, but was used in the Intel 8080/8085 microprocessors. Even with those processors it was not necessary to … hank hill butt implantsWeb2 jun. 2010 · memblock_is_map_memory identifier - Linux source code (v6.1.1) - Bootlin Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the … hank hill booty memeWebFLATMEM ¶. The simplest memory model is FLATMEM. This model is suitable for non-NUMA systems with contiguous, or mostly contiguous, physical memory. In the … hank hill beavis and butt-headWeb14 dec. 2024 · Summary. Memblock is a mechanism that performs memory management in the early stages of the kernel initialization. The memory here is seen as a collection of … hank hill coloring pageshttp://bricktou.com/mm/memblockmemblock_is_map_memory.html hank hill butterfree