Commit 30992c97 authored by Matt Mackall's avatar Matt Mackall Committed by Linus Torvalds

[PATCH] slob: introduce mm/util.c for shared functions

Add mm/util.c for functions common between SLAB and SLOB.
Signed-off-by: default avatarMatt Mackall <mpm@selenic.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 50dd26ba
...@@ -10,7 +10,7 @@ mmu-$(CONFIG_MMU) := fremap.o highmem.o madvise.o memory.o mincore.o \ ...@@ -10,7 +10,7 @@ mmu-$(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
......
...@@ -3052,20 +3052,6 @@ void kmem_cache_free(kmem_cache_t *cachep, void *objp) ...@@ -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) ...@@ -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);
#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);
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