diff options
| author | Andi Kleen | 2008-07-24 06:27:51 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2008-07-24 19:47:19 +0200 |
| commit | b4718e628dbf68a2dee23b5709e2aa3190409c56 (patch) | |
| tree | e685b2bd36a0fe731b128d2814996a693561d288 /include/asm-x86/page.h | |
| parent | x86: support GB hugepages on 64-bit (diff) | |
| download | kernel-qcow2-linux-b4718e628dbf68a2dee23b5709e2aa3190409c56.tar.gz kernel-qcow2-linux-b4718e628dbf68a2dee23b5709e2aa3190409c56.tar.xz kernel-qcow2-linux-b4718e628dbf68a2dee23b5709e2aa3190409c56.zip | |
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.h | 2 |
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 @@ #define HPAGE_MASK (~(HPAGE_SIZE - 1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) +#define HUGE_MAX_HSTATE 2 + /* to align the pointer to the (next) page boundary */ #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) |