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-rw-r--r--src/xz/xz.121
1 files changed, 20 insertions, 1 deletions
diff --git a/src/xz/xz.1 b/src/xz/xz.1
index 6b949640..540d1364 100644
--- a/src/xz/xz.1
+++ b/src/xz/xz.1
@@ -5,7 +5,7 @@
.\" This file has been put into the public domain.
.\" You can do whatever you want with this file.
.\"
-.TH XZ 1 "2019-05-11" "Tukaani" "XZ Utils"
+.TH XZ 1 "2020-02-01" "Tukaani" "XZ Utils"
.
.SH NAME
xz, unxz, xzcat, lzma, unlzma, lzcat \- Compress or decompress .xz and .lzma files
@@ -1005,6 +1005,25 @@ instead of
until the details have been decided.
.RE
.IP ""
+For 32-bit
+.BR xz
+there is a special case: if the
+.I limit
+would be over
+.BR "4020\ MiB" ,
+the
+.I limit
+is set to
+.BR "4020\ MiB" .
+(The values
+.B 0
+and
+.B max
+aren't affected by this.
+A similar feature doesn't exist for decompression.)
+This can be helpful when a 32-bit executable has access
+to 4\ GiB address space while hopefully doing no harm in other situations.
+.IP ""
See also the section
.BR "Memory usage" .
.TP