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authorAndi Kleen <ak@suse.de>2008-07-24 00:27:51 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 13:47:19 -0400
commitb4718e628dbf68a2dee23b5709e2aa3190409c56 (patch)
treee685b2bd36a0fe731b128d2814996a693561d288 /include/asm-x86/page.h
parent39c11e6c05b7fedbf7ed4df3908b25f622d56204 (diff)
x86: add hugepagesz option on 64-bit
Add an hugepagesz=... option similar to IA64, PPC etc. to x86-64. This finally allows to select GB pages for hugetlbfs in x86 now that all the infrastructure is in place. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-x86/page.h')
-rw-r--r--include/asm-x86/page.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 6c846228948d..6e02098b1605 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -32,6 +32,8 @@
32#define HPAGE_MASK (~(HPAGE_SIZE - 1)) 32#define HPAGE_MASK (~(HPAGE_SIZE - 1))
33#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) 33#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
34 34
35#define HUGE_MAX_HSTATE 2
36
35/* to align the pointer to the (next) page boundary */ 37/* to align the pointer to the (next) page boundary */
36#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) 38#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
37 39