Messages in this thread | | | Date | Wed, 28 May 2008 20:40:06 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] Re: bad pmd ffff810000207238(9090909090909090). |
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* Hugh Dickins <hugh@veritas.com> wrote:
> [PATCH] x86: fix bad pmd ffff810000207xxx(9090909090909090) > > OGAWA Hirofumi and Fede have reported rare pmd_ERROR messages: > mm/memory.c:127: bad pmd ffff810000207xxx(9090909090909090). > > Initialization's cleanup_highmap was leaving alignment filler behind > in the pmd for MODULES_VADDR: when vmalloc's guard page would occupy a > new page table, it's not allocated, and then module unload's vfree > hits the bad 9090 pmd entry left over.
applied, nice catch!
Ingo
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