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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c1f733aaaf
Conventionally, we put output param to the end of param list and put the 'base' ahead of 'size', but cma_declare_contiguous() doesn't look like that, so change it. Additionally, move down cma_areas reference code to the position where it is really needed. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by: Michal Nazarewicz <mina86@mina86.com> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Alexander Graf <agraf@suse.de> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Gleb Natapov <gleb@kernel.org> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
28 lines
723 B
C
28 lines
723 B
C
#ifndef __CMA_H__
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#define __CMA_H__
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/*
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* There is always at least global CMA area and a few optional
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* areas configured in kernel .config.
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*/
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#ifdef CONFIG_CMA_AREAS
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#define MAX_CMA_AREAS (1 + CONFIG_CMA_AREAS)
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#else
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#define MAX_CMA_AREAS (0)
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#endif
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struct cma;
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extern phys_addr_t cma_get_base(struct cma *cma);
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extern unsigned long cma_get_size(struct cma *cma);
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extern int __init cma_declare_contiguous(phys_addr_t size,
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phys_addr_t base, phys_addr_t limit,
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phys_addr_t alignment, unsigned int order_per_bit,
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bool fixed, struct cma **res_cma);
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extern struct page *cma_alloc(struct cma *cma, int count, unsigned int align);
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extern bool cma_release(struct cma *cma, struct page *pages, int count);
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#endif
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