Re: [PATCH net V2] page_pool: mask the page->signature before the checking

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Fri, 6 Aug 2021 09:39:07 +0800 you wrote:

As mentioned in commit c07aea3ef4d4 ("mm: add a signature in
struct page"):
"The page->signature field is aliased to page->lru.next and
page->compound_head."

And as the comment in page_is_pfmemalloc():
"lru.next has bit 1 set if the page is allocated from the
pfmemalloc reserves. Callers may simply overwrite it if they
do not need to preserve that information."

[...]

Here is the summary with links:
  - [net,V2] page_pool: mask the page->signature before the checking
    https://git.kernel.org/netdev/net/c/0fa32ca438b4

You are awesome, thank you!
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