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-rw-r--r--MAINTAINERS22
-rw-r--r--include/linux/slub_def.h2
-rw-r--r--mm/slub.c12
3 files changed, 15 insertions, 21 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index e6c06fa3290..460e699fd28 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2474,9 +2474,11 @@ M: James.Bottomley@HansenPartnership.com
W: http://www.hansenpartnership.com/voyager
S: Maintained
-LINUX FOR POWERPC
+LINUX FOR POWERPC (32-BIT AND 64-BIT)
P: Paul Mackerras
M: paulus@samba.org
+P: Benjamin Herrenschmidt
+M: benh@kernel.crashing.org
W: http://www.penguinppc.org/
L: linuxppc-dev@ozlabs.org
T: git kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc.git
@@ -2516,13 +2518,6 @@ W: http://wiki.secretlab.ca/index.php/Linux_on_Xilinx_Virtex
L: linuxppc-dev@ozlabs.org
S: Maintained
-LINUX FOR POWERPC BOOT CODE
-P: Tom Rini
-M: trini@kernel.crashing.org
-W: http://www.penguinppc.org/
-L: linuxppc-dev@ozlabs.org
-S: Maintained
-
LINUX FOR POWERPC EMBEDDED PPC8XX
P: Vitaly Bordug
M: vitb@kernel.crashing.org
@@ -2551,17 +2546,6 @@ P: Arnaldo Carvalho de Melo
M: acme@ghostprotocols.net
S: Maintained
-LINUX FOR 64BIT POWERPC
-P: Paul Mackerras
-M: paulus@samba.org
-M: paulus@au.ibm.com
-P: Anton Blanchard
-M: anton@samba.org
-M: anton@au.ibm.com
-W: http://www.penguinppc.org/ppc64/
-L: linuxppc-dev@ozlabs.org
-S: Supported
-
LINUX SECURITY MODULE (LSM) FRAMEWORK
P: Chris Wright
M: chrisw@sous-sol.org
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 71e43a12ebb..cef6f8fddd7 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -137,10 +137,12 @@ static __always_inline int kmalloc_index(size_t size)
if (size <= KMALLOC_MIN_SIZE)
return KMALLOC_SHIFT_LOW;
+#if KMALLOC_MIN_SIZE <= 64
if (size > 64 && size <= 96)
return 1;
if (size > 128 && size <= 192)
return 2;
+#endif
if (size <= 8) return 3;
if (size <= 16) return 4;
if (size <= 32) return 5;
diff --git a/mm/slub.c b/mm/slub.c
index 0987d1cd943..2c9a62d1f42 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2995,8 +2995,6 @@ void __init kmem_cache_init(void)
create_kmalloc_cache(&kmalloc_caches[1],
"kmalloc-96", 96, GFP_KERNEL);
caches++;
- }
- if (KMALLOC_MIN_SIZE <= 128) {
create_kmalloc_cache(&kmalloc_caches[2],
"kmalloc-192", 192, GFP_KERNEL);
caches++;
@@ -3026,6 +3024,16 @@ void __init kmem_cache_init(void)
for (i = 8; i < KMALLOC_MIN_SIZE; i += 8)
size_index[(i - 1) / 8] = KMALLOC_SHIFT_LOW;
+ if (KMALLOC_MIN_SIZE == 128) {
+ /*
+ * The 192 byte sized cache is not used if the alignment
+ * is 128 byte. Redirect kmalloc to use the 256 byte cache
+ * instead.
+ */
+ for (i = 128 + 8; i <= 192; i += 8)
+ size_index[(i - 1) / 8] = 8;
+ }
+
slab_state = UP;
/* Provide the correct kmalloc names now that the caches are up */