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

The field is only used in swap code.

Alexey Dobriyan committed 7 years ago

Commit 219f8a21 parent 442a5a91 file · +2 −0Browse files

Showing the changes to include/linux (1 of 1 file). Show all

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@@ -329,7 +329,9 @@ struct vm_area_struct { · 328 unmodified lines
329	329	struct file * vm_file; /* File we map to (can be NULL). */
330	330	void * vm_private_data; /* was vm_pte (shared mem) */
331	331
	332	+#ifdef CONFIG_SWAP
332	333	atomic_long_t swap_readahead_info;
	334	+#endif
333	335	#ifndef CONFIG_MMU
334	336	struct vm_region vm_region; / NOMMU mapping region */
335	337	#endif

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