fc2acab31b
zap_pte_range has been counting the pages it frees in tlb->freed, then tlb_finish_mmu has used that to update the mm's rss. That got stranger when I added anon_rss, yet updated it by a different route; and stranger when rss and anon_rss became mm_counters with special access macros. And it would no longer be viable if we're relying on page_table_lock to stabilize the mm_counter, but calling tlb_finish_mmu outside that lock. Remove the mmu_gather's freed field, let tlb_finish_mmu stick to its own business, just decrement the rss mm_counter in zap_pte_range (yes, there was some point to batching the update, and a subsequent patch restores that). And forget the anal paranoia of first reading the counter to avoid going negative - if rss does go negative, just fix that bug. Remove the mmu_gather's flushes and avoided_flushes from arm and arm26: no use was being made of them. But arm26 alone was actually using the freed, in the way some others use need_flush: give it a need_flush. arm26 seems to prefer spaces to tabs here: respect that. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> |
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| .. | ||
| a.out.h | ||
| agp.h | ||
| apb.h | ||
| asi.h | ||
| atomic.h | ||
| audioio.h | ||
| auxio.h | ||
| auxvec.h | ||
| bbc.h | ||
| bitops.h | ||
| bpp.h | ||
| bsderrno.h | ||
| bug.h | ||
| bugs.h | ||
| byteorder.h | ||
| cache.h | ||
| cacheflush.h | ||
| chafsr.h | ||
| checksum.h | ||
| chmctrl.h | ||
| cmt.h | ||
| compat.h | ||
| const.h | ||
| cpudata.h | ||
| cputime.h | ||
| current.h | ||
| dcr.h | ||
| dcu.h | ||
| delay.h | ||
| display7seg.h | ||
| div64.h | ||
| dma-mapping.h | ||
| dma.h | ||
| ebus.h | ||
| elf.h | ||
| emergency-restart.h | ||
| envctrl.h | ||
| errno.h | ||
| estate.h | ||
| fbio.h | ||
| fcntl.h | ||
| fhc.h | ||
| floppy.h | ||
| fpumacro.h | ||
| futex.h | ||
| hardirq.h | ||
| head.h | ||
| hw_irq.h | ||
| ide.h | ||
| idprom.h | ||
| io.h | ||
| ioctl.h | ||
| ioctls.h | ||
| iommu.h | ||
| ipc.h | ||
| ipcbuf.h | ||
| irq.h | ||
| isa.h | ||
| kbio.h | ||
| kdebug.h | ||
| kmap_types.h | ||
| kprobes.h | ||
| linkage.h | ||
| local.h | ||
| lsu.h | ||
| mc146818rtc.h | ||
| mman.h | ||
| mmu_context.h | ||
| mmu.h | ||
| module.h | ||
| mostek.h | ||
| msgbuf.h | ||
| namei.h | ||
| ns87303.h | ||
| openprom.h | ||
| openpromio.h | ||
| oplib.h | ||
| page.h | ||
| param.h | ||
| parport.h | ||
| pbm.h | ||
| pci.h | ||
| pconf.h | ||
| percpu.h | ||
| perfctr.h | ||
| pgalloc.h | ||
| pgtable.h | ||
| pil.h | ||
| poll.h | ||
| posix_types.h | ||
| processor.h | ||
| psrcompat.h | ||
| pstate.h | ||
| ptrace.h | ||
| reg.h | ||
| resource.h | ||
| rtc.h | ||
| rwsem-const.h | ||
| rwsem.h | ||
| sbus.h | ||
| scatterlist.h | ||
| seccomp.h | ||
| sections.h | ||
| semaphore.h | ||
| sembuf.h | ||
| setup.h | ||
| sfafsr.h | ||
| sfp-machine.h | ||
| shmbuf.h | ||
| shmparam.h | ||
| sigcontext.h | ||
| siginfo.h | ||
| signal.h | ||
| smp.h | ||
| socket.h | ||
| sockios.h | ||
| solerrno.h | ||
| spinlock_types.h | ||
| spinlock.h | ||
| spitfire.h | ||
| starfire.h | ||
| stat.h | ||
| statfs.h | ||
| string.h | ||
| sunbpp.h | ||
| svr4.h | ||
| system.h | ||
| termbits.h | ||
| termios.h | ||
| thread_info.h | ||
| timer.h | ||
| timex.h | ||
| tlb.h | ||
| tlbflush.h | ||
| topology.h | ||
| ttable.h | ||
| types.h | ||
| uaccess.h | ||
| uctx.h | ||
| unaligned.h | ||
| unistd.h | ||
| upa.h | ||
| user.h | ||
| utrap.h | ||
| vga.h | ||
| visasm.h | ||
| vuid_event.h | ||
| watchdog.h | ||
| xor.h | ||