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ANDROID: GKI: mm.h: add Android ABI padding to a structure

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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: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I78f84148ef4d3524bd6c5b78e53e06503a4ac3ae
This commit is contained in:
Greg Kroah-Hartman
2020-05-02 09:41:26 +02:00
committed by Carlos Llamas
parent f3fb488d59
commit ae3c0ab383
1 changed files with 6 additions and 0 deletions
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6
include/linux/mm.h
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@@ -32,6 +32,7 @@
#include <linux/sched.h>
#include <linux/pgtable.h>
#include <linux/kasan.h>
#include <linux/android_kabi.h>
struct mempolicy;
struct anon_vma;
@@ -670,6 +671,11 @@ struct vm_operations_struct {
* run within an rcu read locked section and with mmap lock not held.
*/
bool speculative;
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)