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xz: Add comments.

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This commit is contained in:
Lasse Collin 2024-02-28 18:26:25 +02:00
parent 5c91b454c2
commit 86bec8334b
1 changed files with 10 additions and 0 deletions
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10
src/xz/coder.c
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@ -581,6 +581,13 @@ coder_set_compression_settings(void)
if (memory_usage <= memory_limit) { if (memory_usage <= memory_limit) {
// The memory usage is now low enough. // The memory usage is now low enough.
//
// Since 5.6.1: This is only shown at
// V_DEBUG instead of V_WARNING because
// changing the number of threads doesn't
// affect the output. On some systems this
// message would be too common now that
// multithreaded compression is the default.
message(V_DEBUG, _("Reduced the number of " message(V_DEBUG, _("Reduced the number of "
"threads from %s to %s to not exceed " "threads from %s to %s to not exceed "
"the memory usage limit of %s MiB"), "the memory usage limit of %s MiB"),
@ -600,6 +607,9 @@ coder_set_compression_settings(void)
// way -T0 won't use insane amount of memory but at the same // way -T0 won't use insane amount of memory but at the same
// time the soft limit will never make xz fail and never make // time the soft limit will never make xz fail and never make
// xz change settings that would affect the compressed output. // xz change settings that would affect the compressed output.
//
// Since 5.6.1: Like above, this is now shown at V_DEBUG
// instead of V_WARNING.
if (hardware_memlimit_mtenc_is_default()) { if (hardware_memlimit_mtenc_is_default()) {
message(V_DEBUG, _("Reduced the number of threads " message(V_DEBUG, _("Reduced the number of threads "
"from %s to one. The automatic memory usage " "from %s to one. The automatic memory usage "