Commit 3f56a2f8 authored Jan 31, 2018 by Miles Chen Committed by Linus Torvalds Jan 31, 2018

mm: remove PG_highmem description

Commit cbe37d09 ("[PATCH] mm: remove PG_highmem") removed PG_highmem
to save a page flag.  So the description of PG_highmem is no longer
needed.

Link: http://lkml.kernel.org/r/1517391212-2950-1-git-send-email-miles.chen@mediatek.com


Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent c7905f20

include/linux/page-flags.h

+0 −5

Original line number	Diff line number	Diff line
		@@ -46,11 +46,6 @@
		* guarantees that this bit is cleared for a page when it first is entered into
		* the page cache.
		*
		* PG_highmem pages are not permanently mapped into the kernel virtual address
		* space, they need to be kmapped separately for doing IO on the pages. The
		* struct page (these bits with information) are always mapped into kernel
		* address space...
		*
		* PG_hwpoison indicates that a page got corrupted in hardware and contains
		* data with incorrect ECC bits that triggered a machine check. Accessing is
		* not safe since it may cause another machine check. Don't touch!