Move the definition of malloc pool size of the decompressor to a single place. This value will be exposed later for kexec_file loader.
Signed-off-by: Łukasz Stelmach <[email protected]> --- arch/arm/boot/compressed/Makefile | 2 ++ arch/arm/boot/compressed/head.S | 6 ++++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 9c11e7490292..b3594cd1588c 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -125,6 +125,8 @@ KBSS_SZ = $(shell echo $$(($$($(NM) $(obj)/../../../../vmlinux | \ sed -n -e 's/^\([^ ]*\) [AB] __bss_start$$/-0x\1/p' \ -e 's/^\([^ ]*\) [AB] __bss_stop$$/+0x\1/p') )) ) LDFLAGS_vmlinux = --defsym _kernel_bss_size=$(KBSS_SZ) +# malloc pool size +LDFLAGS_vmlinux += --defsym _malloc_size=0x10000 # Supply ZRELADDR to the decompressor via a linker symbol. ifneq ($(CONFIG_AUTO_ZRELADDR),y) LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR) diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index e8e1c866e413..dcc1afa60fb9 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -309,7 +309,8 @@ restart: adr r0, LC0 #ifndef CONFIG_ZBOOT_ROM /* malloc space is above the relocated stack (64k max) */ add sp, sp, r0 - add r10, sp, #0x10000 + ldr r10, =_malloc_size + add r10, r10, sp #else /* * With ZBOOT_ROM the bss/stack is non relocatable, @@ -623,7 +624,8 @@ not_relocated: mov r0, #0 */ mov r0, r4 mov r1, sp @ malloc space above stack - add r2, sp, #0x10000 @ 64k max + ldr r2, =_malloc_size @ 64k max + add r2, r2, sp mov r3, r7 bl decompress_kernel -- 2.26.2
