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| author | Vasily Gorbik <gor@linux.ibm.com> | 2017-11-20 12:56:10 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-10-09 11:21:29 +0200 |
| commit | 135ff163939294f5573927ca890699ed619c0031 (patch) | |
| tree | 9f2db851306f6dfdc58dc2249677507e560feeef /arch/s390/include | |
| parent | 5e785963298b7923e28817d20868882fbefc863c (diff) | |
| download | linux-135ff163939294f5573927ca890699ed619c0031.tar.bz2 | |
s390/kasan: free early identity mapping structures
Kasan initialization code is changed to populate persistent shadow
first, save allocator position into pgalloc_freeable and proceed with
early identity mapping creation. This way early identity mapping paging
structures could be freed at once after switching to swapper_pg_dir
when early identity mapping is not needed anymore.
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/kasan.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kasan.h b/arch/s390/include/asm/kasan.h index 892f4585c663..8b9ae18430ad 100644 --- a/arch/s390/include/asm/kasan.h +++ b/arch/s390/include/asm/kasan.h @@ -15,9 +15,11 @@ extern void kasan_early_init(void); extern void kasan_copy_shadow(pgd_t *dst); +extern void kasan_free_early_identity(void); #else static inline void kasan_early_init(void) { } static inline void kasan_copy_shadow(pgd_t *dst) { } +static inline void kasan_free_early_identity(void) { } #endif #endif |