On Wed, Nov 12, 2014 at 05:33:11PM -0500, Luiz Capitulino wrote: > The hugepages= entry in kernel-parameters.txt states that > 1GB pages can only be allocated at boot time and not > freed afterwards. This is not true since commit > 944d9fec8d7aee, at least for x86_64. > > Instead of adding arch-specifc observations to the > hugepages= entry, this commit just drops the out of date > information. Further information about arch-specific > support and available features can be obtained in the > hugetlb documentation. > > Signed-off-by: Luiz Capitulino <lcapitul...@redhat.com>
Acked-by: Naoya Horiguchi <n-horigu...@ah.jp.nec.com> > --- > Documentation/kernel-parameters.txt | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/Documentation/kernel-parameters.txt > b/Documentation/kernel-parameters.txt > index 479f332..d919af0 100644 > --- a/Documentation/kernel-parameters.txt > +++ b/Documentation/kernel-parameters.txt > @@ -1228,9 +1228,7 @@ bytes respectively. Such letter suffixes can also be > entirely omitted. > multiple times interleaved with hugepages= to reserve > huge pages of different sizes. Valid pages sizes on > x86-64 are 2M (when the CPU supports "pse") and 1G > - (when the CPU supports the "pdpe1gb" cpuinfo flag) > - Note that 1GB pages can only be allocated at boot time > - using hugepages= and not freed afterwards. > + (when the CPU supports the "pdpe1gb" cpuinfo flag). > > hvc_iucv= [S390] Number of z/VM IUCV hypervisor console (HVC) > terminal devices. Valid values: 0..8 > -- > 1.9.3 > > -- > 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-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
