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From: Nicholas Piggin <>
To: Paul Menzel <>
Cc: Nicholas Piggin <>,, Song Liu <>,
	"Edgecombe, Rick P" <>,
	"Torvalds, Linus" <>,,,
Subject: [PATCH 0/2] Request to test fix for "x86/Kconfig: select HAVE_ARCH_HUGE_VMALLOC with HAVE_ARCH_HUGE_VMAP)"
Date: Fri, 22 Apr 2022 16:01:04 +1000	[thread overview]
Message-ID: <> (raw)

Hi Paul,

If it's not too much trouble would you be able to run your test case
on upstream tree plus these two patches to see if any errors persist?

To be clear, you shouldn't see such issues with upstream now, but I
would like to see if they are solved with this fix when we re-enable
huge vmalloc for drivers.


Nicholas Piggin (2):
  mm/vmalloc: huge vmalloc backing pages should be split rather than
  Revert "vmalloc: replace VM_NO_HUGE_VMAP with VM_ALLOW_HUGE_VMAP"

 arch/Kconfig                 |  6 ++--
 arch/powerpc/kernel/module.c |  2 +-
 arch/s390/kvm/pv.c           |  7 ++++-
 include/linux/vmalloc.h      |  4 +--
 mm/vmalloc.c                 | 53 +++++++++++++++++++-----------------
 5 files changed, 41 insertions(+), 31 deletions(-)


             reply	other threads:[~2022-04-22  6:01 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-22  6:01 Nicholas Piggin [this message]
2022-04-22  6:01 ` [PATCH 1/2] mm/vmalloc: huge vmalloc backing pages should be split rather than compound Nicholas Piggin
2022-04-22 16:23   ` Linus Torvalds
2022-04-22  6:01 ` [PATCH 2/2] Revert "vmalloc: replace VM_NO_HUGE_VMAP with VM_ALLOW_HUGE_VMAP" Nicholas Piggin
2022-04-22 17:08   ` Linus Torvalds
2022-04-22 18:41     ` Linus Torvalds

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