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+++ b/mm/Makefile >> @@ -147,3 +147,4 @@ obj-$(CONFIG_SHRINKER_DEBUG) += shrinker_debug.o >> obj-$(CONFIG_EXECMEM) += execmem.o >> obj-$(CONFIG_TMPFS_QUOTA) += shmem_quota.o >> obj-$(CONFIG_PT_RECLAIM) += pt_reclaim.o >> +obj-$(CONFIG_PGHOT) += kpromoted.o > > Looks like by mistake used older file name. It should be pghot.o > > Can you please provide base commit. Unable to apply patch cleanly using b4 utility. Right, sorry about this. The base commit is 8742b2d8935f476449ef37e263bc4da3295c7b58 The updated patchset is available from https://github.com/AMDESE/linux-mm/tree/bharata/kpromoted-rfcv1 Regards, Bharata.