| Server IP : 54.94.228.101 / Your IP : 172.28.1.13 Web Server : Apache System : Linux ip-172-28-29-189 6.5.0-1014-aws #14~22.04.1-Ubuntu SMP Thu Feb 15 15:27:06 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.2.34-43+ubuntu22.04.1+deb.sury.org+1 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /lib/modules/6.8.0-1042-aws/build/arch/parisc/include/asm/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASMPARISC_SHMPARAM_H #define _ASMPARISC_SHMPARAM_H /* * PA-RISC uses virtually indexed & physically tagged (VIPT) caches * which has strict requirements when two pages to the same physical * address are accessed through different mappings. Read the section * "Address Aliasing" in the arch docs for more detail: * PA-RISC 1.1 (page 3-6): * https://parisc.wiki.kernel.org/images-parisc/6/68/Pa11_acd.pdf * PA-RISC 2.0 (page F-5): * https://parisc.wiki.kernel.org/images-parisc/7/73/Parisc2.0.pdf * * For Linux we allow kernel and userspace to map pages on page size * granularity (SHMLBA) but have to ensure that, if two pages are * mapped to the same physical address, the virtual and physical * addresses modulo SHM_COLOUR are identical. */ #define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ #define SHM_COLOUR 0x00400000 /* shared mappings colouring */ #endif /* _ASMPARISC_SHMPARAM_H */