adulau/aha
1
0
Fork 0
mirror of https://github.com/adulau/aha.git synced 2024-12-29 12:16:20 +00:00
Code Issues Projects Releases Packages Wiki Activity

mm: fix misuse of debug_kmap_atomic

Browse source 
Commit 7ca43e7564 ("mm: use debug_kmap_atomic")
introduced some debug_kmap_atomic() in wrong places.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Akinobu Mita 2009-04-02 16:01:26 +09:00 committed by Linus Torvalds
parent 3688e07f83
commit a0e0404fb0
2 changed files with 1 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/x86/mm/highmem_32.c
View file

@ -40,7 +40,6 @@ void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot)
debug_kmap_atomic(type);
debug_kmap_atomic(type);
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
BUG_ON(!pte_none(*(kmap_pte-idx)));

2
arch/x86/mm/iomap_32.c
View file

@ -39,6 +39,7 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot)
pagefault_disable();
debug_kmap_atomic(type);
idx = type + KM_TYPE_NR * smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
set_pte(kmap_pte - idx, pfn_pte(pfn, prot));
@ -72,7 +73,6 @@ iounmap_atomic(void *kvaddr, enum km_type type)
unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
enum fixed_addresses idx = type + KM_TYPE_NR*smp_processor_id();
debug_kmap_atomic(type);
/*
* Force other mappings to Oops if they'll try to access this pte
* without first remap it. Keeping stale mappings around is a bad idea