i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files
src/system/kernel/cache/block_cache.cpp
Vendored
+7 -2
View File
@@ -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; return B_OK;
} }
@@ -1004,8 +1009,8 @@ dump_cache(int argc, char **argv)
count++; count++;
} }
kprintf(" %ld blocks total, %ld dirty, %ld referenced.\n", count, dirty, kprintf(" %ld blocks total, %ld dirty, %ld referenced, %ld in unused.\n", count, dirty,
referenced); referenced, cache->unused_blocks.Size());
hash_close(cache->hash, &iterator, false); hash_close(cache->hash, &iterator, false);
return 0; return 0;