On 11 November 2014 at 01:16, Simon Glass <s...@chromium.org> wrote: > The simple malloc() implementation is used when memory is tight. It provides > a simple buffer with an incrementing pointer. > > At present the implementation is inside dlmalloc. Move it into its own file > so that it is easier to find. > > Rather than using relocation as a signal that the full malloc() is > available, add a special GD_FLG_FULL_MALLOC_INIT flag. This signals that the > simple malloc() should no longer be used. > > In some cases, such as SPL, even the code space used by the full malloc() is > wasteful. Add a CONFIG_SYS_MALLOC_SIMPLE option to provide only the simple > malloc. In this case the full malloc is not available at all. It saves about > 1KB of code space and about 0.5KB of data on Thumb 2. > > Acked-by: Tom Rini <tr...@ti.com> > Signed-off-by: Simon Glass <s...@chromium.org> > --- > > Changes in v3: None > Changes in v2: > - Correct the Makefile condition for simple_malloc > > common/Makefile | 3 ++ > common/board_r.c | 3 +- > common/dlmalloc.c | 19 ++++--------- > common/malloc_simple.c | 39 +++++++++++++++++++++++++ > include/asm-generic/global_data.h | 1 + > include/malloc.h | 60 > ++++++++++++++++++++++++--------------- > 6 files changed, 87 insertions(+), 38 deletions(-) > create mode 100644 common/malloc_simple.c
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