Displaying 2 results from an estimated 2 matches for "noreus".
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nores
2015 Aug 28
2
RFC: alloca -- specify rounding factor for allocation (and more)
...reate directories; files and directories will be owned by you and
# have default permissions.
#
# This archive contains:
#
# Makefile
# types.h
# a_b.c
# a_b_c.c
# main.c
#
echo x - Makefile
sed 's/^X//' >Makefile << 'END-of-Makefile'
XCFLAGS=-g -O3 -DNDEBUG
X
X
Xall: reuse noreuse
X
Xa_b1.o: a_b.c
X $(CC) $(CFLAGS) -c -o $@ -DREUSE=0 $+
X
Xa_b2.o: a_b.c
X $(CC) $(CFLAGS) -c -o $@ -DREUSE=1 $+
X
Xnoreuse: a_b1.o a_b_c.o main.o
X $(CC) -o $@ $(CFLAGS) $+
X
Xreuse: a_b2.o a_b_c.o main.o
X $(CC) -o $@ $(CFLAGS) $+
X
Xclean:
X rm *.o noreuse reuse
X
X
Xreuse.shar: Makefile *.h *...
2010 Nov 04
4
fadvise DONTNEED implementation (or lack thereof)
...(although never merged, it seems)
incorporating fadvise support, but I found its implementation rather
odd, using mincore() and FADV_DONTNEED to kick out only regions brought
in by rsync. It seemed to me the simpler and more appropriate solution
would be to simply flag every touched file with FADV_NOREUSE and let the
kernel manage automatically expelling used pages.
After looking deeper into the kernel implementation[2] of fadvise() the
reason for using DONTNEED became more apparant. It seems that the kernel
implements NOREUSE as a noop. A little googling revealed[3] that I not
the first person to...