powerpc/prom_init: Move __prombss to it's own section and store it in .bss (5f69e388) · Commits · 戴 / test

This makes __prombss its own section, and for now store it in .bss. This will give us the ability later to store it elsewhere and/or free it after boot (it's about 8KB). Signed-off-by:

Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:

Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/prom_init.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -48,7 +48,7 @@
		#include <linux/linux_logo.h>

		/* All of prom_init bss lives here */
		#define __prombss __initdata
		#define __prombss __section(.bss.prominit)

		/*
		* Eventually bump that one up

arch/powerpc/kernel/vmlinux.lds.S

+3 −0

Original line number	Diff line number	Diff line
		@@ -4,6 +4,9 @@
		#else
		#define PROVIDE32(x) PROVIDE(x)
		#endif

		#define BSS_FIRST_SECTIONS *(.bss.prominit)

		#include <asm/page.h>
		#include <asm-generic/vmlinux.lds.h>
		#include <asm/cache.h>

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