futex: Use a folio instead of a page

Browse source

The futex code already handles compound pages correctly, but using a folio
tells the compiler that there is already a reference to the head page and
it doesn't need to call compound_head() again.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230821142207.2537124-1-willy@infradead.org

...

This commit is contained in:

Matthew Wilcox (Oracle) 2023-08-21 15:22:07 +01:00 • committed by Thomas Gleixner

parent 85be6d8424

commit e35a6cf1cc

1 changed files with 33 additions and 34 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

67

kernel/futex/core.c

View file