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mm: fix compile time error with !CONFIG_CMA 

Fixes compile time failures because of not protecting
CMA related elements with CONFIG_CMA.

Change-Id: I930b7c0ffdce0f1bfc4f8a582a698be16ed44d1f
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
This commit is contained in:
Vinayak Menon 2015-10-30 15:06:04 +05:30 committed by Gerrit - the friendly Code Review server
parent 96a3f68ab5
commit 84ec496c74
1 changed files with 7 additions and 0 deletions
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7
mm/page_alloc.c
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@ -1155,6 +1155,7 @@ retry_reserve:
return page;
}
#ifdef CONFIG_CMA
static struct page *__rmqueue_cma(struct zone *zone, unsigned int order)
{
struct page *page = 0;
@ -1163,6 +1164,12 @@ static struct page *__rmqueue_cma(struct zone *zone, unsigned int order)
page = __rmqueue_smallest(zone, order, MIGRATE_CMA);
return page;
}
#else
static inline struct page *__rmqueue_cma(struct zone *zone, unsigned int order)
{
return NULL;
}
#endif
/*
* Obtain a specified number of elements from the buddy allocator, all under