[PATCH] vmalloc might sleep

From: Matthew Wilcox (willy_at_debian.org)
Date: 08/31/03

  • Next message: Marcelo Tosatti: "Re: [PATCH] check_gcc for i386" 
    Date:	Sun, 31 Aug 2003 04:06:43 +0100
To: Andrew Morton <akpm@osdl.org>

    So let's whack people upside the head when they misuse it.

    vmalloc-might-sleep.diff:

    Index: mm/vmalloc.c
    ===================================================================
    RCS file: /var/cvs/linux-2.6/mm/vmalloc.c,v
    retrieving revision 1.2
    diff -u -p -r1.2 vmalloc.c
    --- a/mm/vmalloc.c 23 Aug 2003 02:47:26 -0000 1.2
    +++ b/mm/vmalloc.c 31 Aug 2003 03:04:25 -0000
    @@ -438,7 +438,8 @@ fail:
      */
     void *vmalloc(unsigned long size)
     {
    - return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
    + might_sleep();
    + return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
     }
     
     /**
    @@ -451,6 +452,7 @@ void *vmalloc(unsigned long size)
      */
     void *vmalloc_32(unsigned long size)
     {
    + might_sleep();
             return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL);
     }
      

    -- 
"It's not Hollywood.  War is real, war is primarily not about defeat or
victory, it is about death.  I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
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