Messages in this thread | | | Date | Fri, 11 May 2018 07:24:48 +0200 | From | Greg KH <> | Subject | Re: [PATCH 1/3] x86/platform/UV: Add adjustable set memory block size function |
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On Thu, May 10, 2018 at 06:18:33PM -0500, mike.travis@hpe.com wrote: > Add a new function to "adjust" the current fixed UV memory block size of > 2GB so it can be changed to a different physical boundary. This is out > of necessity so UV BIOS can accommodate Intel BIOS changes for NVDIMM's, > which can align these new PMEM modules at other than 2GB boundaries. > > A "set order" type of function was used to insure that the memory block > size will be a power of two value without requiring a validity check on > the size value passed in. 64GB was chosen as the upper limit for memory > block size values to accommodate upcoming 4PB systems which have 6 more > bits of physical address space (46 becoming 52). > > Signed-off-by: Mike Travis <mike.travis@hpe.com> > Reviewed-by: Andrew Banman <andrew.banman@hpe.com> > --- > arch/x86/mm/init_64.c | 20 ++++++++++++++++---- > include/linux/memory.h | 1 + > 2 files changed, 17 insertions(+), 4 deletions(-) >
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This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.
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