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ANDROID: GKI: export cma symbols for cma heap as a module

Browse Source 
Bug: 140294230
Test: builds

Change-Id: I04c12174934c24a704d5c1e5be3e7e948c777a78
Signed-off-by: Sandeep Patil <sspatil@google.com>
This commit is contained in:
Sandeep Patil
2019-09-13 14:50:38 -07:00
parent f1aa35a164
commit 716306e82c
1 changed files with 5 additions and 0 deletions
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5
mm/cma.c
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@@ -24,6 +24,7 @@
#include <linux/memblock.h>
#include <linux/err.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/sizes.h>
#include <linux/slab.h>
@@ -54,6 +55,7 @@ const char *cma_get_name(const struct cma *cma)
{
return cma->name ? cma->name : "(undefined)";
}
EXPORT_SYMBOL_GPL(cma_get_name);
static unsigned long cma_bitmap_aligned_mask(const struct cma *cma,
unsigned int align_order)
@@ -500,6 +502,7 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
pr_debug("%s(): returned %p\n", __func__, page);
return page;
}
EXPORT_SYMBOL_GPL(cma_alloc);
/**
* cma_release() - release allocated pages
@@ -533,6 +536,7 @@ bool cma_release(struct cma *cma, const struct page *pages, unsigned int count)
return true;
}
EXPORT_SYMBOL_GPL(cma_release);
int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data)
{
@@ -547,3 +551,4 @@ int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data)
return 0;
}
EXPORT_SYMBOL_GPL(cma_for_each_area);