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| author | Toshi Kani <toshi.kani@hpe.com> | 2015-09-17 12:24:23 -0600 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-09-22 21:27:33 +0200 |
| commit | d551aaa2f7e1387fa66093ce9914c2e91f283a50 (patch) | |
| tree | d36027d714f2658bc3660de42a0040f30c1e158f /arch/x86/mm/init.c | |
| parent | 3a19109efbfa7d887996a74257556a46e00525c2 (diff) | |
x86/mm: Fix __split_large_page() to handle large PAT bit
__split_large_page() is called from __change_page_attr() to change
the mapping attribute by splitting a given large page into smaller
pages. This function uses pte_pfn() and pte_pgprot() for PUD/PMD,
which do not handle the large PAT bit properly.
Fix __split_large_page() by using the corresponding pud/pmd pfn/
pgprot interfaces.
Also remove '#ifdef CONFIG_X86_64', which is not necessary.
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Juergen Gross <jgross@suse.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Konrad Wilk <konrad.wilk@oracle.com>
Cc: Robert Elliot <elliott@hpe.com>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/1442514264-12475-11-git-send-email-toshi.kani@hpe.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/mm/init.c')
0 files changed, 0 insertions, 0 deletions