table of contents
CACHEFLUSH(2) | Linux Programmer's Manual | CACHEFLUSH(2) |
NAME¶
cacheflush - flush contents of instruction and/or data cache
SYNOPSIS¶
#include <asm/cachectl.h> int cacheflush(char *addr, int nbytes, int cache);
DESCRIPTION¶
cacheflush() flushes the contents of the indicated cache(s) for the user addresses in the range addr to (addr+nbytes-1). cache may be one of:
RETURN VALUE¶
cacheflush() returns 0 on success or -1 on error. If errors are detected, errno will indicate the error.
ERRORS¶
CONFORMING TO¶
This Linux-specific system call is available only on MIPS-based systems. It should not be used in programs intended to be portable.
BUGS¶
The current implementation ignores the addr and nbytes arguments. Therefore, the whole cache is always flushed.
COLOPHON¶
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
2007-05-26 | Linux |