diff options
| author | Helge Deller <deller@gmx.de> | 2015-11-22 00:07:44 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2015-11-22 12:23:19 +0100 |
| commit | 41b85a1163386f8328ad570f383973cb3975d2fa (patch) | |
| tree | 37a8970781d2bb57603966f7e7e0722346a88e5e /arch/parisc/kernel/asm-offsets.c | |
| parent | 736d2169338a50c8814efc186b5423aee43b0c68 (diff) | |
parisc: Map kernel text and data on huge pages
Adjust the linker script and map_pages() to map kernel text and data on
physical 1MB huge/large pages.
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/kernel/asm-offsets.c')
| -rw-r--r-- | arch/parisc/kernel/asm-offsets.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index 59001cea13f9..d2f62570a7b1 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -290,6 +290,14 @@ int main(void) DEFINE(ASM_PFN_PTE_SHIFT, PFN_PTE_SHIFT); DEFINE(ASM_PT_INITIAL, PT_INITIAL); BLANK(); + /* HUGEPAGE_SIZE is only used in vmlinux.lds.S to align kernel text + * and kernel data on physical huge pages */ +#ifdef CONFIG_HUGETLB_PAGE + DEFINE(HUGEPAGE_SIZE, 1UL << REAL_HPAGE_SHIFT); +#else + DEFINE(HUGEPAGE_SIZE, PAGE_SIZE); +#endif + BLANK(); DEFINE(EXCDATA_IP, offsetof(struct exception_data, fault_ip)); DEFINE(EXCDATA_SPACE, offsetof(struct exception_data, fault_space)); DEFINE(EXCDATA_ADDR, offsetof(struct exception_data, fault_addr)); |