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(mmap_realloc): When shrinking, make sure number of

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pages is rounded towards zero.
This commit is contained in:
Ken Raeburn 2002-07-21 13:59:00 +00:00
parent 90dc758dc0
commit bb63c5c9b8
2 changed files with 6 additions and 1 deletions
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5
src/ChangeLog
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@ -1,3 +1,8 @@
2002-07-21 Ken Raeburn <raeburn@gnu.org>
* buffer.c (mmap_realloc): When shrinking, make sure number of
pages is rounded towards zero.
2002-07-20 Richard M. Stallman <rms@gnu.org>
* print.c (print_error_message): New args CONTEXT and CALLER.

2
src/buffer.c
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@ -4670,7 +4670,7 @@ mmap_realloc (var, nbytes)
{
/* Shrinking by at least a page. Let's give some
memory back to the system. */
mmap_enlarge (r, - (room - nbytes) / mmap_page_size);
mmap_enlarge (r, - ((room - nbytes) / mmap_page_size));
result = *var;
r->nbytes_specified = nbytes;
}