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Date: Fri, 25 Sep 2015 15:09:18 +0200 From: Philipp Zabel <p.zabel@...gutronix.de> To: Thierry Reding <thierry.reding@...il.com> Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 3/6] drm/imx: Build monolithic driver Am Freitag, den 25.09.2015, 14:17 +0200 schrieb Thierry Reding: > I think you gain much less by splitting up than you realize. Compare > this from before the series: > > $ du -ch drivers/gpu/drm/imx/*.ko > 8.0K drivers/gpu/drm/imx/dw_hdmi-imx.ko Oh right, I didn't realize that this is just the shim. The bulk of the HDMI driver is in bridge/dw_hdmi.ko. > 16K drivers/gpu/drm/imx/imxdrm.ko > 16K drivers/gpu/drm/imx/imx-ipuv3-crtc.ko > 12K drivers/gpu/drm/imx/imx-ldb.ko > 12K drivers/gpu/drm/imx/imx-tve.ko > 8.0K drivers/gpu/drm/imx/parallel-display.ko > 72K total [...] > with this after the series: > > $ du -ch drivers/gpu/drm/imx/*.ko > 44K drivers/gpu/drm/imx/imx-drm.ko > 44K total [...] > There are other things to consider as well, such as the additional > memory overhead caused by merely having multiple modules, or all of the > exported functions that unnecessarily clutter up the symbol table, and > which end up slowing down every symbol lookup. Thanks, can't argue with those numbers. I'll queue patches 3 and 4 for imx-drm. regards Philipp -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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