commit ab130f9108dcf2062a44f9f0706824ef2e30492e
author Matthew Wilcox (Oracle) <willy@infradead.org> Thu Oct 15 20:10:15 2020 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Fri Oct 16 11:11:19 2020 -0700
tree 07e3283496e2772048141c882b1ef633364dec0f
parent 1f0f8c0de09066d23760c1f5fac2cd53b32f1127

mm: rename page_order() to buddy_order()

The current page_order() can only be called on pages in the buddy
allocator.  For compound pages, you have to use compound_order().  This is
confusing and led to a bug, so rename page_order() to buddy_order().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20201001152259.14932-2-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>