[RESEND PATCH] mm/page_table_check: add explicit pmd_none check in pte_clear_range

patchwork-bot+linux-riscv at kernel.org patchwork-bot+linux-riscv at kernel.org
Sun Nov 1 14:16:54 PST 2026


Hello:

This patch was applied to riscv/linux.git (fixes)
by Andrew Morton <akpm at linux-foundation.org>:

On Wed, 19 Aug 2026 10:55:15 +0800 you wrote:
> From: Ye Liu <liuye at kylinos.cn>
> 
> In __page_table_check_pte_clear_range(), the condition to determine
> whether to iterate over PTEs only checked pmd_bad() and pmd_leaf().
> This relies on the implicit assumption that pmd_none() is always a
> subset of pmd_bad() on all architectures supporting PAGE_TABLE_CHECK.
> 
> [...]

Here is the summary with links:
  - [RESEND] mm/page_table_check: add explicit pmd_none check in pte_clear_range
    https://git.kernel.org/riscv/c/0224133dba05

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