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Commit 2cf7c397 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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ANDROID: GKI: mmu_notifier.h: add Android ABI padding to some structures 



Try to mitigate potential future driver core api changes by adding a
padding to struct mmu_notifier_ops and struct mmu_notifier.

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: If631445abf20c22830a1c764ff2ccd662a7bd204
parent a1af7871

include/linux/mmu_notifier.h

+9 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
#include <linux/spinlock.h>

#include <linux/mm_types.h>

#include <linux/srcu.h>

#include <linux/android_kabi.h>



struct mmu_notifier;

struct mmu_notifier_ops;
@@ -188,6 +189,11 @@ struct mmu_notifier_ops { 
	 */

	void (*invalidate_range)(struct mmu_notifier *mn, struct mm_struct *mm,

				 unsigned long start, unsigned long end);



	ANDROID_KABI_RESERVE(1);

	ANDROID_KABI_RESERVE(2);

	ANDROID_KABI_RESERVE(3);

	ANDROID_KABI_RESERVE(4);

};



/*
@@ -204,6 +210,9 @@ struct mmu_notifier_ops { 
struct mmu_notifier {

	struct hlist_node hlist;

	const struct mmu_notifier_ops *ops;



	ANDROID_KABI_RESERVE(1);

	ANDROID_KABI_RESERVE(2);

};



static inline int mm_has_notifiers(struct mm_struct *mm)