diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2024-08-08 12:32:47 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2024-08-12 14:49:53 +0300 |
| commit | e7a9af8c93aa9f408f9972809b642faeec5287e1 (patch) | |
| tree | 97f3fe972e95fdfa6adab1667fcdeeb08bfd9ed1 /arch/powerpc | |
| parent | 06ce0af34177a110d6a5cf71f924965b9b230691 (diff) | |
| download | linux-e7a9af8c93aa9f408f9972809b642faeec5287e1.tar.xz | |
powerpc/mm: Fix size of allocated PGDIR
Commit 6b0e82791bd0 ("powerpc/e500: switch to 64 bits PGD on 85xx
(32 bits)") increased the size of PGD entries but failed to increase
the PGD directory.
Use the size of pgd_t instead of the size of pointers to calculate
the allocated size.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 6b0e82791bd0 ("powerpc/e500: switch to 64 bits PGD on 85xx (32 bits)")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/1cdaacb391cbd3e0240f0e0faf691202874e9422.1723109462.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/mm/init-common.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/mm/init-common.c b/arch/powerpc/mm/init-common.c index 9b4a675eb8f8..2978fcbe307e 100644 --- a/arch/powerpc/mm/init-common.c +++ b/arch/powerpc/mm/init-common.c @@ -73,7 +73,7 @@ void setup_kup(void) #define CTOR(shift) static void ctor_##shift(void *addr) \ { \ - memset(addr, 0, sizeof(void *) << (shift)); \ + memset(addr, 0, sizeof(pgd_t) << (shift)); \ } CTOR(0); CTOR(1); CTOR(2); CTOR(3); CTOR(4); CTOR(5); CTOR(6); CTOR(7); @@ -117,7 +117,7 @@ EXPORT_SYMBOL_GPL(pgtable_cache); /* used by kvm_hv module */ void pgtable_cache_add(unsigned int shift) { char *name; - unsigned long table_size = sizeof(void *) << shift; + unsigned long table_size = sizeof(pgd_t) << shift; unsigned long align = table_size; /* When batching pgtable pointers for RCU freeing, we store |