/[emacs]/emacs/man/trouble.texi
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revision 1.54 by rms, Thu Aug 18 15:03:23 2005 UTC revision 1.55 by rms, Fri Oct 28 16:38:14 2005 UTC
# Line 311  effect of a @kbd{C-s}, and type @kbd{C-^ Line 311  effect of a @kbd{C-s}, and type @kbd{C-^
311  @cindex memory full  @cindex memory full
312  @cindex out of memory  @cindex out of memory
313    
314    If you get the error message @samp{Virtual memory exceeded}, save your    If you get the error message @samp{Virtual memory exceeded}, save
315  modified buffers with @kbd{C-x s}.  This method of saving them has the  your modified buffers with @kbd{C-x s}.  This method of saving them
316  smallest need for additional memory.  Emacs keeps a reserve of memory  has the smallest need for additional memory.  Emacs keeps a reserve of
317  which it makes available when this error happens; that should be enough  memory which it makes available when this error happens; that should
318  to enable @kbd{C-x s} to complete its work.  be enough to enable @kbd{C-x s} to complete its work.  When the
319    reserve has been used, @samp{!MEM FULL!} appears at the beginning of
320    the mode line, indicating there is no more reserve.
321    
322    Once you have saved your modified buffers, you can exit this Emacs job    Once you have saved your modified buffers, you can exit this Emacs
323  and start another, or you can use @kbd{M-x kill-some-buffers} to free  session and start another, or you can use @kbd{M-x kill-some-buffers}
324  space in the current Emacs job.  If you kill buffers containing a  to free space in the current Emacs job.  If this frees up sufficient
325  substantial amount of text, you can safely go on editing.  Emacs refills  space, Emacs will refill its memory reserve, and @samp{!MEM FULL!}
326  its memory reserve automatically when it sees sufficient free space  will disappear from the mode line.  That means you can safely go on
327  available, in case you run out of memory another time.  editing in the same Emacs session.
328    
329    Do not use @kbd{M-x buffer-menu} to save or kill buffers when you run    Do not use @kbd{M-x buffer-menu} to save or kill buffers when you run
330  out of memory, because the buffer menu needs a fair amount of memory  out of memory, because the buffer menu needs a fair amount of memory

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