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authorVivek Goyal <vgoyal@in.ibm.com>2007-05-11 09:22:15 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-11 19:29:32 +0400
commit069f11f9d66bc582fb40a37a7b92363f5d321969 (patch)
tree70d07076d1026fedfeaa9a4cdf04ba1b3cf9aad6 /mm/thrash.c
parent6041b57c6c99dcb59524f1bb0db0628c2689a464 (diff)
downloadlinux-069f11f9d66bc582fb40a37a7b92363f5d321969.tar.xz
x86_64: display more intuitive error message if kernel is not 2MB aligned
o x86_64 kernel needs to be compiled for 2MB aligned addresses. Currently we are using BUILD_BUG_ON() to warn the user if he has not done so. But looks like folks are not finding message very intutive and don't open the respective c file to find problem source. (Bug 8439) arch/x86_64/kernel/head64.c: In function 'x86_64_start_kernel': arch/x86_64/kernel/head64.c:70: error: size of array 'type name' is negative o Using preprocessor directive #error to print a better message if CONFIG_PHYSICAL_START is not aligned to 2MB boundary. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Cc: Andi Kleen <ak@suse.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/thrash.c')
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