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Commit f32208f7 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "defconfig: reduce stack hash size on lito perf"

parents f173d918 d8c65641

arch/arm64/configs/vendor/lito-perf_defconfig

+2 −0
Original line number Diff line number Diff line
@@ -652,8 +652,10 @@ CONFIG_CRYPTO_DEV_QCOM_MSM_QCE=y 
CONFIG_CRYPTO_DEV_QCRYPTO=y

CONFIG_CRYPTO_DEV_QCEDEV=y

CONFIG_CRYPTO_DEV_QCOM_ICE=y

CONFIG_STACK_HASH_ORDER_SHIFT=12

CONFIG_PRINTK_TIME=y

CONFIG_DEBUG_INFO=y

CONFIG_PAGE_OWNER=y

# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set

CONFIG_MAGIC_SYSRQ=y

CONFIG_PANIC_TIMEOUT=-1

lib/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -590,6 +590,15 @@ config STACKDEPOT 
	bool

	select STACKTRACE



config STACK_HASH_ORDER_SHIFT

	int "stack depot hash size (12 => 4KB, 20 => 1024KB)"

	range 12 20

	default 20

	depends on STACKDEPOT

	help

	 Select the hash size as a power of 2 for the stackdepot hash table.

	 Choose a lower value to reduce the memory impact.



config SBITMAP

	bool

lib/stackdepot.c

+1 −2
Original line number Diff line number Diff line
@@ -146,8 +146,7 @@ static struct stack_record *depot_alloc_stack(unsigned long *entries, int size, 
	return stack;

}



#define STACK_HASH_ORDER 20

#define STACK_HASH_SIZE (1L << STACK_HASH_ORDER)

#define STACK_HASH_SIZE (1L << CONFIG_STACK_HASH_ORDER_SHIFT)

#define STACK_HASH_MASK (STACK_HASH_SIZE - 1)

#define STACK_HASH_SEED 0x9747b28c