The patch titled
mm/memory.c: remove ZAP_BLOCK_SIZE
has been added to the -mm tree. Its filename is
mm-memoryc-remove-zap_block_size.patch
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------------------------------------------------------
Subject: mm/memory.c: remove ZAP_BLOCK_SIZE
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
ZAP_BLOCK_SIZE became unused in the preemptible-mmu_gather work ("mm:
Remove i_mmap_lock lockbreak"). So zap it.
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 11 -----------
1 file changed, 11 deletions(-)
diff -puN mm/memory.c~mm-memoryc-remove-zap_block_size mm/memory.c
--- a/mm/memory.c~mm-memoryc-remove-zap_block_size
+++ a/mm/memory.c
@@ -1289,13 +1289,6 @@ static unsigned long unmap_page_range(st
return addr;
}
-#ifdef CONFIG_PREEMPT
-# define ZAP_BLOCK_SIZE (8 * PAGE_SIZE)
-#else
-/* No preempt: go for improved straight-line efficiency */
-# define ZAP_BLOCK_SIZE (1024 * PAGE_SIZE)
-#endif
-
/**
* unmap_vmas - unmap a range of memory covered by a list of vma's
* @tlb: address of the caller's struct mmu_gather
@@ -1309,10 +1302,6 @@ static unsigned long unmap_page_range(st
*
* Unmap all pages in the vma list.
*
- * We aim to not hold locks for too long (for scheduling latency reasons).
- * So zap pages in ZAP_BLOCK_SIZE bytecounts. This means we need to
- * return the ending mmu_gather to the caller.
- *
* Only addresses between `start' and `end' will be unmapped.
*
* The VMA list must be sorted in ascending virtual address order.
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
linux-next.patch
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
cris-fix-a-build-error-in-kernel-forkc-checkpatch-fixes.patch
arch-x86-include-asm-delayh-fix-udelay-and-ndelay-for-8-bit-args.patch
pci-enumerate-the-pci-device-only-removed-out-pci-hierarchy-of-os-when-re-scanning-pci-fix.patch
drivers-staging-speakup-devsynthc-fix-buffer-size-is-not-provably-correct-error.patch
drivers-staging-gma500-psb_intel_displayc-fix-build.patch
drivers-staging-dt3155v4l-dt3155v4lc-needs-slabh.patch
drivers-staging-solo6x10-corec-needs-slabh.patch
drivers-staging-solo6x10-p2mc-needs-slabh.patch
staging-more-missing-slabh-inclusions.patch
slab-use-numa_no_node.patch
mm.patch
mm-extend-memory-hotplug-api-to-allow-memory-hotplug-in-virtual-machines-fix.patch
pagewalk-add-locking-rule-comments-fix.patch
mm-memoryc-remove-zap_block_size.patch
frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch
hpet-factor-timer-allocate-from-open.patch
leds-route-kbd-leds-through-the-generic-leds-layer.patch
checkpatch-suggest-using-min_t-or-max_t-v2.patch
checkpatch-add-a-prefer-__aligned-check.patch
lib-hexdumpc-make-hex2bin-return-the-updated-src-address.patch
fs-binfmt_miscc-use-kernels-hex_to_bin-method-fix.patch
fs-binfmt_miscc-use-kernels-hex_to_bin-method-fix-fix.patch
init-skip-calibration-delay-if-previously-done-fix.patch
init-skip-calibration-delay-if-previously-done-fix-fix.patch
drivers-rtc-add-support-for-qualcomm-pmic8xxx-rtc-fix.patch
cpusets-randomize-node-rotor-used-in-cpuset_mem_spread_node.patch
cpusets-randomize-node-rotor-used-in-cpuset_mem_spread_node-fix-2.patch
cpusets-randomize-node-rotor-used-in-cpuset_mem_spread_node-cpusets-initialize-spread-rotor-lazily-fix.patch
h8300-m68k-xtensa-__fd_isset-should-return-0-1.patch
proc-pid-fdinfo-add-cloexec-information-fix.patch
scatterlist-new-helper-functions.patch
scatterlist-new-helper-functions-update-fix.patch
kexec-remove-kmsg_dump_kexec.patch
ramoops-use-module-parameters-instead-of-platform-data-if-not-available-checkpatch-fixes.patch
journal_add_journal_head-debug.patch
mutex-subsystem-synchro-test-module-fix.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
memblock-add-input-size-checking-to-memblock_find_region.patch
memblock-add-input-size-checking-to-memblock_find_region-fix.patch
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