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| author | Christoph Lameter <clameter@sgi.com> | 2008-04-09 13:05:41 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2008-04-09 13:05:41 -0700 |
| commit | 273988fa4dffd1b1e6deb3de18b979a44e9d8732 (patch) | |
| tree | f28645f5d5a5432bf0cd3f91318ce4709830f196 /arch/ia64/mm | |
| parent | 5cf1f7cef1c67b5c81736f00e81a2890e07041b9 (diff) | |
| download | op-kernel-dev-273988fa4dffd1b1e6deb3de18b979a44e9d8732.zip op-kernel-dev-273988fa4dffd1b1e6deb3de18b979a44e9d8732.tar.gz | |
[IA64] Untangle sync_icache_dcache() page size determination
Untangle the chaos of page size determination in this function by
simply using PAGE_SIZE << compound_order().
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/mm')
| -rw-r--r-- | arch/ia64/mm/init.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index a4ca657..da05893 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -58,7 +58,6 @@ __ia64_sync_icache_dcache (pte_t pte) { unsigned long addr; struct page *page; - unsigned long order; page = pte_page(pte); addr = (unsigned long) page_address(page); @@ -66,12 +65,7 @@ __ia64_sync_icache_dcache (pte_t pte) if (test_bit(PG_arch_1, &page->flags)) return; /* i-cache is already coherent with d-cache */ - if (PageCompound(page)) { - order = compound_order(page); - flush_icache_range(addr, addr + (1UL << order << PAGE_SHIFT)); - } - else - flush_icache_range(addr, addr + PAGE_SIZE); + flush_icache_range(addr, addr + (PAGE_SIZE << compound_order(page))); set_bit(PG_arch_1, &page->flags); /* mark page as clean */ } |
