On 02/13/2018 05:00 PM, David Rientjes wrote: > Specify that movablecore= can use a percent value. > > Remove comment about hugetlb pages not being movable per Mike. > > Cc: Mike Kravetz <mike.krav...@oracle.com> > Signed-off-by: David Rientjes <rient...@google.com>
Thanks! FWIW, Reviewed-by: Mike Kravetz <mike.krav...@oracle.com> And, that is for all of patch 1. -- Mike Kravetz > --- > .../admin-guide/kernel-parameters.txt | 22 +++++++++---------- > 1 file changed, 11 insertions(+), 11 deletions(-) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt > b/Documentation/admin-guide/kernel-parameters.txt > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -1837,10 +1837,9 @@ > > ZONE_MOVABLE is used for the allocation of pages that > may be reclaimed or moved by the page migration > - subsystem. This means that HugeTLB pages may not be > - allocated from this zone. Note that allocations like > - PTEs-from-HighMem still use the HighMem zone if it > - exists, and the Normal zone if it does not. > + subsystem. Note that allocations like PTEs-from-HighMem > + still use the HighMem zone if it exists, and the Normal > + zone if it does not. > > It is possible to specify the exact amount of memory in > the form of "nn[KMGTPE]", a percentage of total system > @@ -2353,13 +2352,14 @@ > mousedev.yres= [MOUSE] Vertical screen resolution, used for devices > reporting absolute coordinates, such as tablets > > - movablecore=nn[KMG] [KNL,X86,IA-64,PPC] This parameter > - is similar to kernelcore except it specifies the > - amount of memory used for migratable allocations. > - If both kernelcore and movablecore is specified, > - then kernelcore will be at *least* the specified > - value but may be more. If movablecore on its own > - is specified, the administrator must be careful > + movablecore= [KNL,X86,IA-64,PPC] > + Format: nn[KMGTPE] | nn% > + This parameter is the complement to kernelcore=, it > + specifies the amount of memory used for migratable > + allocations. If both kernelcore and movablecore is > + specified, then kernelcore will be at *least* the > + specified value but may be more. If movablecore on its > + own is specified, the administrator must be careful > that the amount of memory usable for all allocations > is not too small. > > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majord...@kvack.org. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"d...@kvack.org";> em...@kvack.org </a> > -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
