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Commit 219f8a2e authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

include/linux/mm_types.h: ifdef struct vm_area_struct::swap_readahead_info 

The field is only used in swap code.

Link: http://lkml.kernel.org/r/20190503190500.GA30589@avx2


Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Acked-by: default avatarMichal Hocko <mhocko@suse.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 442a5a9a

include/linux/mm_types.h

+2 −0
Original line number Diff line number Diff line
@@ -329,7 +329,9 @@ struct vm_area_struct { 
	struct file * vm_file;		/* File we map to (can be NULL). */

	void * vm_private_data;		/* was vm_pte (shared mem) */



#ifdef CONFIG_SWAP

	atomic_long_t swap_readahead_info;

#endif

#ifndef CONFIG_MMU

	struct vm_region *vm_region;	/* NOMMU mapping region */

#endif