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[PATCH] __vmalloc with GFP_ATOMIC causes 'sleeping from invalid context'

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If __vmalloc is called to allocate memory with GFP_ATOMIC in atomic
context, the chain of calls results in __get_vm_area_node allocating memory
for vm_struct with GFP_KERNEL, causing the 'sleeping from invalid context'
warning.  This patch fixes it by passing the gfp flags along so
__get_vm_area_node allocates memory for vm_struct with the same flags.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Giridhar Pemmasani 2006-10-28 10:38:34 -07:00 • committed by Linus Torvalds
parent 6a2aae06cc
commit 52fd24ca1d
2 changed files with 13 additions and 8 deletions
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3
include/linux/vmalloc.h
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@ -60,7 +60,8 @@ extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
unsigned long start, unsigned long end);
extern struct vm_struct *get_vm_area_node(unsigned long size,
unsigned long flags, int node);
unsigned long flags, int node,
gfp_t gfp_mask);
extern struct vm_struct *remove_vm_area(void *addr);
extern int map_vm_area(struct vm_struct *area, pgprot_t prot,
struct page ***pages);