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Subjectmy view about schedule( ) and system call , right or wrong ?
schedule( ) always runs in kernel space, therefore  the address of all
elements used by schedule() is not virtual address but physical

analogous question also appears in system call , when I define myself
syscall , for example:

asmlinkage long sys_check(a,b ,c){

unsigned long buf;


then , the buf is stored in kernel space , that is , physical address .

right or wrong
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