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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-03-01 10:12:55 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2022-03-01 10:12:55 +0300
commit1136fa0c07de570dc17858745af8be169d1440ba (patch)
tree3221b003517dd3cb13df5ba4b85637cd9ed82692 /include/linux/vmalloc.h
parentba115adf61b36b8c167126425a62b0efc23f72c0 (diff)
parent754e0b0e35608ed5206d6a67a791563c631cec07 (diff)
downloadlinux-1136fa0c07de570dc17858745af8be169d1440ba.tar.xz
Merge tag 'v5.17-rc4' into for-linus
Merge with mainline to get the Intel ASoC generic helpers header and other changes.
Diffstat (limited to 'include/linux/vmalloc.h')
-rw-r--r--include/linux/vmalloc.h31
1 files changed, 19 insertions, 12 deletions
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 671d402c3778..880227b9f044 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -22,12 +22,19 @@ struct notifier_block; /* in notifier.h */
#define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */
#define VM_DMA_COHERENT 0x00000010 /* dma_alloc_coherent */
#define VM_UNINITIALIZED 0x00000020 /* vm_struct is not fully initialized */
-#define VM_NO_GUARD 0x00000040 /* don't add guard page */
+#define VM_NO_GUARD 0x00000040 /* ***DANGEROUS*** don't add guard page */
#define VM_KASAN 0x00000080 /* has allocated kasan shadow memory */
#define VM_FLUSH_RESET_PERMS 0x00000100 /* reset direct map and flush TLB on unmap, can't be freed in atomic context */
#define VM_MAP_PUT_PAGES 0x00000200 /* put pages and free array in vfree */
#define VM_NO_HUGE_VMAP 0x00000400 /* force PAGE_SIZE pte mapping */
+#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
+ !defined(CONFIG_KASAN_VMALLOC)
+#define VM_DEFER_KMEMLEAK 0x00000800 /* defer kmemleak object creation */
+#else
+#define VM_DEFER_KMEMLEAK 0
+#endif
+
/*
* VM_KASAN is used slightly differently depending on CONFIG_KASAN_VMALLOC.
*
@@ -136,21 +143,21 @@ static inline void vmalloc_init(void)
static inline unsigned long vmalloc_nr_pages(void) { return 0; }
#endif
-extern void *vmalloc(unsigned long size);
-extern void *vzalloc(unsigned long size);
-extern void *vmalloc_user(unsigned long size);
-extern void *vmalloc_node(unsigned long size, int node);
-extern void *vzalloc_node(unsigned long size, int node);
-extern void *vmalloc_32(unsigned long size);
-extern void *vmalloc_32_user(unsigned long size);
-extern void *__vmalloc(unsigned long size, gfp_t gfp_mask);
+extern void *vmalloc(unsigned long size) __alloc_size(1);
+extern void *vzalloc(unsigned long size) __alloc_size(1);
+extern void *vmalloc_user(unsigned long size) __alloc_size(1);
+extern void *vmalloc_node(unsigned long size, int node) __alloc_size(1);
+extern void *vzalloc_node(unsigned long size, int node) __alloc_size(1);
+extern void *vmalloc_32(unsigned long size) __alloc_size(1);
+extern void *vmalloc_32_user(unsigned long size) __alloc_size(1);
+extern void *__vmalloc(unsigned long size, gfp_t gfp_mask) __alloc_size(1);
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);
+ const void *caller) __alloc_size(1);
void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
- int node, const void *caller);
-void *vmalloc_no_huge(unsigned long size);
+ int node, const void *caller) __alloc_size(1);
+void *vmalloc_no_huge(unsigned long size) __alloc_size(1);
extern void vfree(const void *addr);
extern void vfree_atomic(const void *addr);