aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm/hugetlbpage.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-30 11:10:12 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-30 11:10:12 -0400
commit24a77daf3d80bddcece044e6dc3675e427eef3f3 (patch)
tree2c5e0b0bea394d6fe62c5d5857c252e83e48ac48 /arch/powerpc/mm/hugetlbpage.c
parente389f9aec689209724105ae80a6c91fd2e747bc9 (diff)
parentf900e9777fc9b65140cb9570438597bc8fae56ab (diff)
Merge branch 'for-2.6.22' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'for-2.6.22' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (255 commits) [POWERPC] Remove dev_dbg redefinition in drivers/ps3/vuart.c [POWERPC] remove kernel module option for booke wdt [POWERPC] Avoid putting cpu node twice [POWERPC] Spinlock initializer cleanup [POWERPC] ppc4xx_sgdma needs dma-mapping.h [POWERPC] arch/powerpc/sysdev/timer.c build fix [POWERPC] get_property cleanups [POWERPC] Remove the unused HTDMSOUND driver [POWERPC] cell: cbe_cpufreq cleanup and crash fix [POWERPC] Declare enable_kernel_spe in a header [POWERPC] Add dt_xlate_addr() to bootwrapper [POWERPC] bootwrapper: CONFIG_ -> CONFIG_DEVICE_TREE [POWERPC] Don't define a custom bd_t for Xilixn Virtex based boards. [POWERPC] Add sane defaults for Xilinx EDK generated xparameters files [POWERPC] Add uartlite boot console driver for the zImage wrapper [POWERPC] Stop using ppc_sys for Xilinx Virtex boards [POWERPC] New registration for common Xilinx Virtex ppc405 platform devices [POWERPC] Merge common virtex header files [POWERPC] Rework Kconfig dependancies for Xilinx Virtex ppc405 platform [POWERPC] Clean up cpufreq Kconfig dependencies ...
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
-rw-r--r--arch/powerpc/mm/hugetlbpage.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index f6ffaaa7a5bf..8508f973d9cc 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -316,12 +316,11 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
316{ 316{
317 if (pte_present(*ptep)) { 317 if (pte_present(*ptep)) {
318 /* We open-code pte_clear because we need to pass the right 318 /* We open-code pte_clear because we need to pass the right
319 * argument to hpte_update (huge / !huge) 319 * argument to hpte_need_flush (huge / !huge). Might not be
320 * necessary anymore if we make hpte_need_flush() get the
321 * page size from the slices
320 */ 322 */
321 unsigned long old = pte_update(ptep, ~0UL); 323 pte_update(mm, addr & HPAGE_MASK, ptep, ~0UL, 1);
322 if (old & _PAGE_HASHPTE)
323 hpte_update(mm, addr & HPAGE_MASK, ptep, old, 1);
324 flush_tlb_pending();
325 } 324 }
326 *ptep = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS); 325 *ptep = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS);
327} 326}
@@ -329,12 +328,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
329pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, 328pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
330 pte_t *ptep) 329 pte_t *ptep)
331{ 330{
332 unsigned long old = pte_update(ptep, ~0UL); 331 unsigned long old = pte_update(mm, addr, ptep, ~0UL, 1);
333
334 if (old & _PAGE_HASHPTE)
335 hpte_update(mm, addr & HPAGE_MASK, ptep, old, 1);
336 *ptep = __pte(0);
337
338 return __pte(old); 332 return __pte(old);
339} 333}
340 334