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Message-Id: <20140825.154243.238344646519450592.davem@davemloft.net> Date: Mon, 25 Aug 2014 15:42:43 -0700 (PDT) From: David Miller <davem@...emloft.net> To: amirv@...lanox.com Cc: andi@...stfloor.org, netdev@...r.kernel.org, akpm@...ux-foundation.org, vgoyal@...hat.com, ogerlitz@...lanox.com, yevgenyp@...lanox.com Subject: Re: [PATCH net-next V1 0/3] Make is_kdump_kernel() accessible from modules From: Amir Vadai <amirv@...lanox.com> Date: Mon, 25 Aug 2014 16:06:51 +0300 > I'm re-spinning this patchset. At the begining it was suggested to use a > different name for the parameter, but at the end [3] the resolution was to > leave it as it is in this patch. > > Drivers need to know if running from kdump kernel in order to change their > memory profile - since kdump environment is limited by available memory. > Currently there are drivers that are using reset_devices as suggested in [2]. > In [2] it was suggested to use reset_devices, but the context was, to enable > driver to know when the hardware device is needed to be reset, and not if this > is a kdump environment. We think that is_kdump_kernel() is better suited to > select between different memory profiles. > > The first patch in this patchset exports a needed symbol in order to make > is_kdump_kernel() accessible from the drivers. The rest of the patches change > from reset_devices to is_kdump_kernel() in 2 networking drivers. > > The idea of this patchset was suggested by Vivek Goyal. > > Tested (only build) and applied on top of commit 8fc54f6: ("net: use > reciprocal_scale() helper") > > [1] - ea1c1af: ("net/mlx4_en: Reduce memory consumption on kdump kernel") > [2] - https://lkml.org/lkml/2011/1/27/341 > [3] - http://www.spinics.net/lists/netdev/msg291492.html Series applied, thanks Amir. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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