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author | Thomas Martitz <kugel@rockbox.org> | 2011-11-17 17:55:02 +0000 |
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committer | Thomas Martitz <kugel@rockbox.org> | 2011-11-17 17:55:02 +0000 |
commit | 2a8eacdbfc5d98b016c480ddaddff100301f721f (patch) | |
tree | 69c79430463bb43c0e3ce96fbef851de6c35b277 /apps/main.c | |
parent | 91206954aa0818e0790857f25f46a53d8e737a20 (diff) | |
download | rockbox-2a8eacdbfc5d98b016c480ddaddff100301f721f.tar.gz rockbox-2a8eacdbfc5d98b016c480ddaddff100301f721f.zip |
Buflib: Make shrinking and buflib_available() smarter.
* shrinking now considers freespace just before the alloc-to-be-shrinked,
that means less (or sometimes none at all) is taken from the audio buffer.
* core_available() now searches for the best free space, instead of simply the end,
i.e. it will not return 0 if the audio buffer is allocated and there's free space
before it. It also runs a compaction to ensure maximum contiguous memory.
audio_buffer_available() is also enhanced. It now considers the 256K reserve buffer,
and returns free buflib space instead if the audio buffer is short.
This all fixes the root problem of FS#12344 (Sansa Clip+: PANIC occurred when
dircache is enabled), that alloced from the audio buffer, even if it was very
short and buflib had many more available as free space before it.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31006 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/main.c')
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