On 5/18/22 00:48, Vivek Kumar wrote: > Add a kernel parameter to disable the disk offset randomization > for SSD devices in which such feature is available at the > firmware level. This is helpful in improving hibernation > resume time. > > Signed-off-by: Vivek Kumar <quic_vivekuma@xxxxxxxxxxx> > Signed-off-by: Prasanna Kumar <quic_kprasan@xxxxxxxxxxx> > --- > Documentation/admin-guide/kernel-parameters.txt | 11 +++++++++++ > kernel/power/swap.c | 9 +++++++++ > 2 files changed, 20 insertions(+) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 666ade9..06b4f10 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -5192,6 +5192,17 @@ > Useful for devices that are detected asynchronously > (e.g. USB and MMC devices). > > + noswap_randomize > + Kernel uses random disk offsets to help with wear-levelling wear-leveling > + of SSD devices, while saving the hibernation snapshot image to > + disk. Use this parameter to disable this feature for SSD > + devices in scenarios when, such randomization is addressed at no comma ^ > + the firmware level and hibenration image is not re-generated hibernation > + frequently. > + (Useful for improving hibernation resume time as snapshot pages > + are available in disk serially and can be read in bigger chunks > + without seeking) > + > retain_initrd [RAM] Keep initrd memory after extraction > > rfkill.default_state= -- ~Randy
