Re: Does malloc use mmap on GNU/Linux?

[Alan Shutko]

Richard Stallman <address@hidden> writes:

> Could other people please make some experiments so I can see if this
> problem exists also on other GNU/Linux distributions and on newer
> versions of Debian?

It seems to work for me on Debian unstable with libc 2.2.4.

#0  0x081461f0 in mmap ()
#1  0x0813a154 in chunk_alloc ()
#2  0x0813ad71 in chunk_realloc ()
#3  0x0813aa9a in realloc ()
#4  0x080cd82f in emacs_blocked_realloc (ptr=0x8407e70, size=2601096)
    at alloc.c:801
#5  0x0813a8c6 in realloc ()
#6  0x080cd45a in xrealloc (block=0x8407e70, size=2601096) at alloc.c:544
#7  0x080a7e04 in enlarge_buffer_text (b=0x8407c98, delta=2601075)
    at buffer.c:4660
#8  0x080aa55a in make_gap (nbytes_added=2599075) at insdel.c:545
#9  0x080b587d in Finsert_file_contents (filename=944344708, visit=405333300, 
    beg=0, end=2599095, replace=405333252) at fileio.c:4176
[...]

-- 
Alan Shutko <address@hidden> - In a variety of flavors!
It doesn't matter whether you win or lose -- until you lose.