NAME

segflush - flush segment memory cache

SYNOPSIS

intsegflush(void ∗va, ulong len)

DESCRIPTION

­Segflush flushes the instruction cache associated with pages contained in a segment.  All subsequent new pages in the segment will also be flushed when first referenced. 

­Va is an address within the segment to be flushed; it is rounded down to the nearest page boundary.  ­Len specifies the length in bytes of the memory to flush; va+len is rounded up to the nearest page boundary. 

SEE ALSO

segattach(2), segbrk(2)
/proc/∗/segment

DIAGNOSTICS

Sets ­errstr. 

Plan 9  —  January 03, 1993