UPSTREAM: mm/sl[uo]b: export __kmalloc_track(_node)_caller

slab does this already, and I want to use this in a memory allocation
tracker in drm for stuff that's tied to the lifetime of a drm_device,
not the underlying struct device. Kinda like devres, but for drm.

Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200323144950.3018436-2-daniel.vetter@ffwll.ch
(cherry picked from commit fd7cb5753ef49964ea9db5121c3fc9a4ec21ed8e)
Bug: 163141236
Signed-off-by: Alistair Delva <adelva@google.com>
Change-Id: I10790befc779311a5f2ee441e4d073e51a5a7a62

diff --git a/mm/slob.c b/mm/slob.c
index 10249160b693dd63d4322665fee01f64de5475e3..df7dbe63e57148bee34fa0a1baac45bf9a2fb836 100644 (file)
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -474,6 +474,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfp, unsigned long caller)
 {
        return __do_kmalloc_node(size, gfp, NUMA_NO_NODE, caller);
 }
+EXPORT_SYMBOL(__kmalloc_track_caller);
 
 #ifdef CONFIG_NUMA
 void *__kmalloc_node_track_caller(size_t size, gfp_t gfp,
@@ -481,6 +482,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfp,
 {
        return __do_kmalloc_node(size, gfp, node, caller);
 }
+EXPORT_SYMBOL(__kmalloc_node_track_caller);
 #endif
 
 void kfree(const void *block)

diff --git a/mm/slub.c b/mm/slub.c
index db2639832037d0a6dd99e73dd49327e7c0aca52a..347b6f1c35dbf7c59613fdf45a2fc0e79671d2dd 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4337,6 +4337,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
 
        return ret;
 }
+EXPORT_SYMBOL(__kmalloc_track_caller);
 
 #ifdef CONFIG_NUMA
 void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
@@ -4367,6 +4368,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
 
        return ret;
 }
+EXPORT_SYMBOL(__kmalloc_node_track_caller);
 #endif
 
 #ifdef CONFIG_SYSFS