From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Fri, 24 Oct 2014 15:05:38 -0400 Subject: [U-Boot] [PATCH v2 02/13] dm: Split the simple malloc() implementation into its own file In-Reply-To: <1414091770-26319-3-git-send-email-sjg@chromium.org> References: <1414091770-26319-1-git-send-email-sjg@chromium.org> <1414091770-26319-3-git-send-email-sjg@chromium.org> Message-ID: <20141024190538.GL25506@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thu, Oct 23, 2014 at 01:15:59PM -0600, Simon Glass 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. > > Signed-off-by: Simon Glass Acked-by: Tom Rini -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: