[GIT PULL] memblock: Revert "mm: Always release pages to the buddy allocator in memblock_free_late()."
From: Mike Rapoport
Date: Sat Feb 11 2023 - 05:13:35 EST
Hi Linus,
The following changes since commit 4ec5183ec48656cec489c49f989c508b68b518e3:
Linux 6.2-rc7 (2023-02-05 13:13:28 -0800)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock tags/fixes-2023-02-11
for you to fetch changes up to 647037adcad00f2bab8828d3d41cd0553d41f3bd:
Revert "mm: Always release pages to the buddy allocator in memblock_free_late()." (2023-02-07 13:07:37 +0200)
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Revert "mm: Always release pages to the buddy allocator in memblock_free_late()."
This reverts commit 115d9d77bb0f9152c60b6e8646369fa7f6167593.
The pages being freed by memblock_free_late() have already been
initialized, but if they are in the deferred init range, __free_one_page()
might access nearby uninitialized pages when trying to coalesce buddies,
which will cause a crash.
A proper fix will be more involved so revert this change for the time
being.
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Aaron Thompson (1):
Revert "mm: Always release pages to the buddy allocator in memblock_free_late()."
mm/memblock.c | 8 +-------
tools/testing/memblock/internal.h | 4 ----
2 files changed, 1 insertion(+), 11 deletions(-)
--
Sincerely yours,
Mike.