[PATCH] slob: introduce mm/util.c for shared functions (30992c97) · Commits · e / devices / android_kernel_samsung_universal8895

mm/Makefile

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -10,7 +10,7 @@ mmu-$(CONFIG_MMU) := fremap.o highmem.o madvise.o memory.o mincore.o \
	obj-y := bootmem.o filemap.o mempool.o oom_kill.o fadvise.o \		obj-y := bootmem.o filemap.o mempool.o oom_kill.o fadvise.o \
	page_alloc.o page-writeback.o pdflush.o \		page_alloc.o page-writeback.o pdflush.o \
	readahead.o slab.o swap.o truncate.o vmscan.o \		readahead.o slab.o swap.o truncate.o vmscan.o \
	prio_tree.o $(mmu-y)		prio_tree.o util.o $(mmu-y)

	obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o thrash.o		obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o thrash.o
	obj-$(CONFIG_HUGETLBFS) += hugetlb.o		obj-$(CONFIG_HUGETLBFS) += hugetlb.o

+0 −37

Original line number	Original line	Diff line number	Diff line
	@@ -3052,20 +3052,6 @@ void kmem_cache_free(kmem_cache_t cachep, void objp)
	}		}
	EXPORT_SYMBOL(kmem_cache_free);		EXPORT_SYMBOL(kmem_cache_free);

	/**
	* kzalloc - allocate memory. The memory is set to zero.
	* @size: how many bytes of memory are required.
	* @flags: the type of memory to allocate.
	*/
	void *kzalloc(size_t size, gfp_t flags)
	{
	void *ret = kmalloc(size, flags);
	if (ret)
	memset(ret, 0, size);
	return ret;
	}
	EXPORT_SYMBOL(kzalloc);

	/**		/**
	* kfree - free previously allocated memory		* kfree - free previously allocated memory
	* @objp: pointer returned by kmalloc.		* @objp: pointer returned by kmalloc.
	@@ -3659,26 +3645,3 @@ unsigned int ksize(const void *objp)

	return obj_reallen(page_get_cache(virt_to_page(objp)));		return obj_reallen(page_get_cache(virt_to_page(objp)));
	}		}


	/*
	* kstrdup - allocate space for and copy an existing string
	*
	* @s: the string to duplicate
	* @gfp: the GFP mask used in the kmalloc() call when allocating memory
	*/
	char kstrdup(const char s, gfp_t gfp)
	{
	size_t len;
	char *buf;

	if (!s)
	return NULL;

	len = strlen(s) + 1;
	buf = kmalloc(len, gfp);
	if (buf)
	memcpy(buf, s, len);
	return buf;
	}
	EXPORT_SYMBOL(kstrdup);

0 → 100644

+39 −0

Original line number	Original line	Diff line number	Diff line
			#include <linux/slab.h>
			#include <linux/string.h>
			#include <linux/module.h>

			/**
			* kzalloc - allocate memory. The memory is set to zero.
			* @size: how many bytes of memory are required.
			* @flags: the type of memory to allocate.
			*/
			void *kzalloc(size_t size, gfp_t flags)
			{
			void *ret = kmalloc(size, flags);
			if (ret)
			memset(ret, 0, size);
			return ret;
			}
			EXPORT_SYMBOL(kzalloc);

			/*
			* kstrdup - allocate space for and copy an existing string
			*
			* @s: the string to duplicate
			* @gfp: the GFP mask used in the kmalloc() call when allocating memory
			*/
			char kstrdup(const char s, gfp_t gfp)
			{
			size_t len;
			char *buf;

			if (!s)
			return NULL;

			len = strlen(s) + 1;
			buf = kmalloc(len, gfp);
			if (buf)
			memcpy(buf, s, len);
			return buf;
			}
			EXPORT_SYMBOL(kstrdup);