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Message-Id: <20071120134120.745bd5b4.akpm@linux-foundation.org> Date: Tue, 20 Nov 2007 13:41:20 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> Cc: linux-kernel@...r.kernel.org, apw@...dowen.org, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu> Subject: Re: mm snapshot broken-out-2007-11-20-01-45 Build Failure - macro CONFIG_THREAD_ORDER not defined On Wed, 21 Nov 2007 02:48:38 +0530 Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> wrote: > Hi Andrew, > > The kernel build fails, with randconfig > > CC arch/x86/kernel/asm-offsets.s > In file included from include/asm/thread_info.h:4, > from include/linux/thread_info.h:21, > from include/linux/preempt.h:9, > from include/linux/spinlock.h:49, > from include/linux/seqlock.h:29, > from include/linux/time.h:8, > from include/linux/stat.h:60, > from include/linux/module.h:10, > from include/linux/crypto.h:21, > from arch/x86/kernel/asm-offsets_64.c:7, > from arch/x86/kernel/asm-offsets.c:4: > include/asm/thread_info_64.h: In function ___current_thread_info___: > include/asm/thread_info_64.h:63: error: ___CONFIG_THREAD_ORDER___ undeclared (first use in this function) > include/asm/thread_info_64.h:63: error: (Each undeclared identifier is reported only once > include/asm/thread_info_64.h:63: error: for each function it appears in.) > include/asm/thread_info_64.h: In function ___stack_thread_info___: > include/asm/thread_info_64.h:71: error: ___CONFIG_THREAD_ORDER___ undeclared (first use in this function) > In file included from arch/x86/kernel/asm-offsets_64.c:8, > from arch/x86/kernel/asm-offsets.c:4: > include/linux/sched.h: At top level: > include/linux/sched.h:1527: error: ___CONFIG_THREAD_ORDER___ undeclared here (not in a function) > make[1]: *** [arch/x86/kernel/asm-offsets.s] Error 1 > make: *** [prepare0] Error 2 > > The patch git-x86.patch introduces CONFIG_THREAD_ORDER undefined macro, instead of THREAD_ORDER. hrm. I suppose this will get us going: diff -puN include/asm-x86/page_64.h~git-x86-thread_order-borkage include/asm-x86/page_64.h --- a/include/asm-x86/page_64.h~git-x86-thread_order-borkage +++ a/include/asm-x86/page_64.h @@ -9,7 +9,7 @@ #define PAGE_MASK (~(PAGE_SIZE-1)) #define PHYSICAL_PAGE_MASK (~(PAGE_SIZE-1) & __PHYSICAL_MASK) -#define THREAD_SIZE (PAGE_SIZE << CONFIG_THREAD_ORDER) +#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) #define CURRENT_MASK (~(THREAD_SIZE-1)) #define EXCEPTION_STACK_ORDER 0 diff -puN include/asm-x86/thread_info_64.h~git-x86-thread_order-borkage include/asm-x86/thread_info_64.h --- a/include/asm-x86/thread_info_64.h~git-x86-thread_order-borkage +++ a/include/asm-x86/thread_info_64.h @@ -80,9 +80,9 @@ static inline struct thread_info *stack_ #endif #define alloc_thread_info(tsk) \ - ((struct thread_info *) __get_free_pages(THREAD_FLAGS, CONFIG_THREAD_ORDER)) + ((struct thread_info *) __get_free_pages(THREAD_FLAGS, THREAD_ORDER)) -#define free_thread_info(ti) free_pages((unsigned long) (ti), CONFIG_THREAD_ORDER) +#define free_thread_info(ti) free_pages((unsigned long) (ti), THREAD_ORDER) #else /* !__ASSEMBLY__ */ _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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