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* write_cached_block() now moves a block to the unused list when it's

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not referenced and clean (is no longer part of a transaction).
  This finally gets memory consumption to a moderate level; even 
  unpacking a large archive will no longer eat all memory.
* The "block_cache" KDL command will now print the number of unused
  blocks as well.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24606 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2008-03-27 09:38:53 +00:00
parent 332e24fb43
commit 14438ad555
1 changed files with 7 additions and 2 deletions
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9
src/system/kernel/cache/block_cache.cpp vendored
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@ -861,6 +861,11 @@ write_cached_block(block_cache *cache, cached_block *block,
}
}
}
if (block->transaction == NULL && block->ref_count == 0) {
// the block is no longer used
block->unused = true;
cache->unused_blocks.Add(block);
}
return B_OK;
}
@ -1004,8 +1009,8 @@ dump_cache(int argc, char **argv)
count++;
}
kprintf(" %ld blocks total, %ld dirty, %ld referenced.\n", count, dirty,
referenced);
kprintf(" %ld blocks total, %ld dirty, %ld referenced, %ld in unused.\n", count, dirty,
referenced, cache->unused_blocks.Size());
hash_close(cache->hash, &iterator, false);
return 0;