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powerpc/8xx: Define a MODULE area below kernel text
On the 8xx, TASK_SIZE is 0x80000000. The space between TASK_SIZE and PAGE_OFFSET is not used. In order to benefit from the powerpc specific module_alloc() function which allocate modules with 32 Mbytes from end of kernel text, define MODULES_VADDR and MODULES_END. Set a 256Mb area just below PAGE_OFFSET, like book3s/32. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/a225606d5b3a8bc53fe612ad52c855c60b0a0a58.1617283827.git.christophe.leroy@csgroup.eu
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#define mmu_linear_psize MMU_PAGE_8M
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#define MODULES_VADDR (PAGE_OFFSET - SZ_256M)
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#define MODULES_END PAGE_OFFSET
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#ifndef __ASSEMBLY__
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#include <linux/mmdebug.h>
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