[PATCH 23/28] mm: remove __vmalloc_node_flags_caller

From: Christoph Hellwig
Date: Wed Apr 08 2020 - 08:01:45 EST


Just use __vmalloc_node instead which gets and extra argument. To be
able to to use __vmalloc_node in all caller make it available outside
of vmalloc and implement it in nommu.c.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
include/linux/vmalloc.h | 4 ++--
kernel/bpf/syscall.c | 5 ++---
mm/nommu.c | 4 ++--
mm/util.c | 2 +-
mm/vmalloc.c | 10 +---------
5 files changed, 8 insertions(+), 17 deletions(-)

diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 4a46d296e70d..108f49b47756 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -115,8 +115,8 @@ extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
unsigned long start, unsigned long end, gfp_t gfp_mask,
pgprot_t prot, unsigned long vm_flags, int node,
const void *caller);
-extern void *__vmalloc_node_flags_caller(unsigned long size,
- int node, gfp_t flags, void *caller);
+void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
+ int node, const void *caller);

extern void vfree(const void *addr);
extern void vfree_atomic(const void *addr);
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 64783da34202..48d98ea8fad6 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -299,9 +299,8 @@ static void *__bpf_map_area_alloc(u64 size, int numa_node, bool mmapable)
return vmalloc_user_node_flags(size, numa_node, GFP_KERNEL |
__GFP_RETRY_MAYFAIL | flags);
}
- return __vmalloc_node_flags_caller(size, numa_node,
- GFP_KERNEL | __GFP_RETRY_MAYFAIL |
- flags, __builtin_return_address(0));
+ return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_RETRY_MAYFAIL | flags,
+ numa_node, __builtin_return_address(0));
}

void *bpf_map_area_alloc(u64 size, int numa_node)
diff --git a/mm/nommu.c b/mm/nommu.c
index 9553efa59787..81a86cd85893 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -150,8 +150,8 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask)
}
EXPORT_SYMBOL(__vmalloc);

-void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
- void *caller)
+void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
+ int node, const void *caller)
{
return __vmalloc(size, flags);
}
diff --git a/mm/util.c b/mm/util.c
index 988d11e6c17c..6d5868adbe18 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -580,7 +580,7 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node)
if (ret || size <= PAGE_SIZE)
return ret;

- return __vmalloc_node_flags_caller(size, node, flags,
+ return __vmalloc_node(size, 1, flags, node,
__builtin_return_address(0));
}
EXPORT_SYMBOL(kvmalloc_node);
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 3d59d848ad48..ae8249ef5821 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2400,8 +2400,6 @@ void *vmap(struct page **pages, unsigned int count,
}
EXPORT_SYMBOL(vmap);

-static void *__vmalloc_node(unsigned long size, unsigned long align,
- gfp_t gfp_mask, int node, const void *caller);
static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
pgprot_t prot, int node)
{
@@ -2552,7 +2550,7 @@ EXPORT_SYMBOL_GPL(__vmalloc_node_range);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-static void *__vmalloc_node(unsigned long size, unsigned long align,
+void *__vmalloc_node(unsigned long size, unsigned long align,
gfp_t gfp_mask, int node, const void *caller)
{
return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END,
@@ -2566,12 +2564,6 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask)
}
EXPORT_SYMBOL(__vmalloc);

-void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
- void *caller)
-{
- return __vmalloc_node(size, 1, flags, node, caller);
-}
-
/**
* vmalloc - allocate virtually contiguous memory
* @size: allocation size
--
2.25.1