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Commit b865a7fe authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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ANDROID: GKI: mm.h: add Android ABI padding to a structure 



Try to mitigate potential future driver core api changes by adding a
padding to struct vm_operations_struct.

Based on a change made to the RHEL/CENTOS 8 kernel.

Bug: 151154716
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
Change-Id: I78f84148ef4d3524bd6c5b78e53e06503a4ac3ae
parent 2cf7c397

include/linux/mm.h

+6 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <linux/page_ref.h>

#include <linux/memremap.h>

#include <linux/overflow.h>

#include <linux/android_kabi.h>



struct mempolicy;

struct anon_vma;
@@ -461,6 +462,11 @@ struct vm_operations_struct { 
	 */

	struct page *(*find_special_page)(struct vm_area_struct *vma,

					  unsigned long addr);



	ANDROID_KABI_RESERVE(1);

	ANDROID_KABI_RESERVE(2);

	ANDROID_KABI_RESERVE(3);

	ANDROID_KABI_RESERVE(4);

};



static inline void vma_init(struct vm_area_struct *vma, struct mm_struct *mm)