Re: [PATCH v8 14/21] mm/mmap: Avoid zeroing vma tree in mmap_region()

From: Lorenzo Stoakes
Date: Thu Oct 03 2024 - 07:19:50 EST


On Thu, Oct 03, 2024 at 12:51:41PM +0200, Bert Karwatzki wrote:
> Here's the log procduced by this kernel:
>
> d530839eacd1 (HEAD -> maple_tree_debug) maybe fix 2
> db8adf7c0a23 hack: mm: see if we can get some more information 2
> 7e3bb072761a mm: correct error handling in mmap_region()
> 77df9e4bb222 (tag: next-20241001, origin/master, origin/HEAD, master) Add linux-next specific files for 20241001
>
> The "maybe fix 2" did not work, either.
>
[snip]

Thanks but oh man, that's disappointing. This is a really, really strange
problem.

Taking a step back, let's see if preallocation is somehow a factor here.

Please unwind all previous patches and apply this to the 1st oct next tree
- this contains fix attempts and further info.

Thanks! Lorenzo

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