mmap_write_downgrade(mm);prev = vma_iter_prev_range(vmi); next = vma_next(vmi); if (next) vma_iter_prev_range(vmi);/* * We can free page tables without write-locking mmap_lock because VMAs * were isolated before we downgraded mmap_lock.0...
ptr=mmap(NULL, len , PROT_READ|PROT_WRITE, MAP_SHARED , fd , 0); 通过mmap()实现共享内存的通信方式有许多特点和要注意的地方 (2)使用特殊文件提供匿名内存映射:适用于具有亲缘关系的进程之间;由于父子进程特殊的亲缘关系,在父进程中先调用mmap(),然后调用fork()。那么在调用fork()之后,子进程继承父进程...
Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps. - Revert "Change mmap rand bits as a temporary
Change 'key mappings' ·You can change keymappings for 5 cases. To do the same, click on 'Preferences->Change Key Mappings' and a window will get displayed wherein you can effect the changes. ·Pleasenotethat inAzhagi+, you can change key mappings for any language (for any LFK - Langu...
Original file line numberDiff line numberDiff line change @@ -17,7 +17,7 @@ #include <sys/bitops.h> /* ilog2 */ #endif #ifdef JEMALLOC_HAVE_VM_MAKE_TAG #define PAGES_FD_TAG VM_MAKE_TAG(101U) #define PAGES_FD_TAG VM_MAKE_TAG(254U) #else #define PAGES_FD_TAG -1 #endif 0...