MINCORE(2) BSD Programmer's Manual MINCORE(2)
mincore - determine residency of memory pages
#include <sys/types.h> #include <sys/mman.h> int mincore(void *addr, size_t len, char *vec);
The mincore() system call allows a process to obtain information about whether pages are core resident. Here the current core residency of the pages is returned in the character array vec, with a value of 1 meaning that the page is in-core.
Upon successful completion, a value of 0 is returned. Otherwise, a value of -1 is returned and errno is set to indicate the error.
madvise(2), minherit(2), mlock(2), mprotect(2), msync(2), munmap(2)
The mincore() function first appeared in 4.4BSD. MirOS BSD #10-current June 9, 1993 1
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