diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-17 17:27:39 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-17 17:27:39 -0500 |
commit | 35010334aa007480a833401b80922299cb1a15ef (patch) | |
tree | 6e318eb89da45d37ea8dceddd1ae6858b74dee1e /mm/mlock.c | |
parent | 8ce9a75a307e142a8871c649627555e0e4a1eefb (diff) | |
parent | be716615fe596ee117292dc615e95f707fb67fd1 (diff) |
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, vm86: fix preemption bug
x86, olpc: fix model detection without OFW
x86, hpet: fix for LS21 + HPET = boot hang
x86: CPA avoid repeated lazy mmu flush
x86: warn if arch_flush_lazy_mmu_cpu is called in preemptible context
x86/paravirt: make arch_flush_lazy_mmu/cpu disable preemption
x86, pat: fix warn_on_once() while mapping 0-1MB range with /dev/mem
x86/cpa: make sure cpa is safe to call in lazy mmu mode
x86, ptrace, mm: fix double-free on race
Diffstat (limited to 'mm/mlock.c')
-rw-r--r-- | mm/mlock.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/mlock.c b/mm/mlock.c index 037161d61b4..cbe9e0581b7 100644 --- a/mm/mlock.c +++ b/mm/mlock.c | |||
@@ -660,7 +660,7 @@ void *alloc_locked_buffer(size_t size) | |||
660 | return buffer; | 660 | return buffer; |
661 | } | 661 | } |
662 | 662 | ||
663 | void free_locked_buffer(void *buffer, size_t size) | 663 | void release_locked_buffer(void *buffer, size_t size) |
664 | { | 664 | { |
665 | unsigned long pgsz = PAGE_ALIGN(size) >> PAGE_SHIFT; | 665 | unsigned long pgsz = PAGE_ALIGN(size) >> PAGE_SHIFT; |
666 | 666 | ||
@@ -670,6 +670,11 @@ void free_locked_buffer(void *buffer, size_t size) | |||
670 | current->mm->locked_vm -= pgsz; | 670 | current->mm->locked_vm -= pgsz; |
671 | 671 | ||
672 | up_write(¤t->mm->mmap_sem); | 672 | up_write(¤t->mm->mmap_sem); |
673 | } | ||
674 | |||
675 | void free_locked_buffer(void *buffer, size_t size) | ||
676 | { | ||
677 | release_locked_buffer(buffer, size); | ||
673 | 678 | ||
674 | kfree(buffer); | 679 | kfree(buffer); |
675 | } | 680 | } |