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authorLinus Torvalds <torvalds@linux-foundation.org>2016-10-27 19:58:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-27 19:58:39 -0700
commit14970f204b1993af7459d5bd34aaff38dfee6670 (patch)
tree1103cabe48e2a51fd6a62052600bd1b0cee7cc3e /lib
parent67463e54beb63114965c3d2c7cb81d1d524e2697 (diff)
parent8e819101ce6fcc58801c9a813ea99c4da0255eef (diff)
downloadlinux-14970f204b1993af7459d5bd34aaff38dfee6670.tar.gz
linux-14970f204b1993af7459d5bd34aaff38dfee6670.tar.xz
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "20 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: drivers/misc/sgi-gru/grumain.c: remove bogus 0x prefix from printk cris/arch-v32: cryptocop: print a hex number after a 0x prefix ipack: print a hex number after a 0x prefix block: DAC960: print a hex number after a 0x prefix fs: exofs: print a hex number after a 0x prefix lib/genalloc.c: start search from start of chunk mm: memcontrol: do not recurse in direct reclaim CREDITS: update credit information for Martin Kepplinger proc: fix NULL dereference when reading /proc/<pid>/auxv mm: kmemleak: ensure that the task stack is not freed during scanning lib/stackdepot.c: bump stackdepot capacity from 16MB to 128MB latent_entropy: raise CONFIG_FRAME_WARN by default kconfig.h: remove config_enabled() macro ipc: account for kmem usage on mqueue and msg mm/slab: improve performance of gathering slabinfo stats mm: page_alloc: use KERN_CONT where appropriate mm/list_lru.c: avoid error-path NULL pointer deref h8300: fix syscall restarting kcov: properly check if we are in an interrupt mm/slab: fix kmemcg cache creation delayed issue
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug1
-rw-r--r--lib/genalloc.c3
-rw-r--r--lib/stackdepot.c2
3 files changed, 4 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 33bc56cf60d7..b01e547d4d04 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -198,6 +198,7 @@ config FRAME_WARN
int "Warn for stack frames larger than (needs gcc 4.4)"
range 0 8192
default 0 if KASAN
+ default 2048 if GCC_PLUGIN_LATENT_ENTROPY
default 1024 if !64BIT
default 2048 if 64BIT
help
diff --git a/lib/genalloc.c b/lib/genalloc.c
index 0a1139644d32..144fe6b1a03e 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -292,7 +292,7 @@ unsigned long gen_pool_alloc_algo(struct gen_pool *pool, size_t size,
struct gen_pool_chunk *chunk;
unsigned long addr = 0;
int order = pool->min_alloc_order;
- int nbits, start_bit = 0, end_bit, remain;
+ int nbits, start_bit, end_bit, remain;
#ifndef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
BUG_ON(in_nmi());
@@ -307,6 +307,7 @@ unsigned long gen_pool_alloc_algo(struct gen_pool *pool, size_t size,
if (size > atomic_read(&chunk->avail))
continue;
+ start_bit = 0;
end_bit = chunk_size(chunk) >> order;
retry:
start_bit = algo(chunk->bits, end_bit, start_bit,
diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index 60f77f1d470a..4d830e299989 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -50,7 +50,7 @@
STACK_ALLOC_ALIGN)
#define STACK_ALLOC_INDEX_BITS (DEPOT_STACK_BITS - \
STACK_ALLOC_NULL_PROTECTION_BITS - STACK_ALLOC_OFFSET_BITS)
-#define STACK_ALLOC_SLABS_CAP 1024
+#define STACK_ALLOC_SLABS_CAP 8192
#define STACK_ALLOC_MAX_SLABS \
(((1LL << (STACK_ALLOC_INDEX_BITS)) < STACK_ALLOC_SLABS_CAP) ? \
(1LL << (STACK_ALLOC_INDEX_BITS)) : STACK_ALLOC_SLABS_CAP)