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authorMatthew Wilcox (Oracle) <willy@infradead.org>2020-04-01 21:04:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 09:35:26 -0700
commitec84821507be44480e831d6f3d89df9e2b13728e (patch)
treef4b507cc679864051f7751c900a83beb13a64424 /mm/page-writeback.c
parente520e932dcc607fc857d27ddd98482fcaf090d7a (diff)
include/linux/pagemap.h: rename arguments to find_subpage
This isn't just a random struct page, it's known to be a head page, and calling it head makes the function better self-documenting. The pgoff_t is less confusing if it's named index instead of offset. Also add a couple of comments to explain why we're doing various things. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/20200318140253.6141-3-willy@infradead.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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