+ debug-pagealloc-add-support-for-highmem-pages-fix.patch added to -mm tree

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The patch titled
     debug-pagealloc-add-support-for-highmem-pages-fix
has been added to the -mm tree.  Its filename is
     debug-pagealloc-add-support-for-highmem-pages-fix.patch

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*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: debug-pagealloc-add-support-for-highmem-pages-fix
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>

remove unneeded preempt_disable/enable

Cc: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/debug-pagealloc.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff -puN mm/debug-pagealloc.c~debug-pagealloc-add-support-for-highmem-pages-fix mm/debug-pagealloc.c
--- a/mm/debug-pagealloc.c~debug-pagealloc-add-support-for-highmem-pages-fix
+++ a/mm/debug-pagealloc.c
@@ -23,14 +23,11 @@ static inline bool page_poison(struct pa
 
 static void poison_page(struct page *page)
 {
-	void *addr;
+	void *addr = kmap_atomic(page);
 
-	preempt_disable();
-	addr = kmap_atomic(page);
 	set_page_poison(page);
 	memset(addr, PAGE_POISON, PAGE_SIZE);
 	kunmap_atomic(addr);
-	preempt_enable();
 }
 
 static void poison_pages(struct page *page, int n)
@@ -82,12 +79,10 @@ static void unpoison_page(struct page *p
 	if (!page_poison(page))
 		return;
 
-	preempt_disable();
 	addr = kmap_atomic(page);
 	check_poison_mem(addr, PAGE_SIZE);
 	clear_page_poison(page);
 	kunmap_atomic(addr);
-	preempt_enable();
 }
 
 static void unpoison_pages(struct page *page, int n)
_

Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are

origin.patch
headers_check-is-broken.patch
samples-hidraw-is-busted.patch
alpha-unbreak-osf_setsysinfossi_nvpairs.patch
linux-next.patch
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
numa-fix-numa-compile-error-when-sysfs-and-procfs-are-disabled-fix.patch
kernel-timec-change-jiffies_to_clock_t-input-parameters-type-to-unsigned-long.patch
arch-x86-platform-iris-irisc-register-a-platform-device-and-a-platform-driver.patch
leds-new-pcengines-alix-system-driver-enables-leds-via-gpio-interface-fix.patch
kernel-rtmutexc-fix-warning-improve-coding-style.patch
drivers-message-fusion-mptbasec-ensure-nul-termination-of-mptcallbacksname-elements-checkpatch-fixes.patch
mm.patch
mm-vmscan-fix-force-scanning-small-targets-without-swap-fix.patch
mm-add-comments-to-explain-mm_struct-fields-fix.patch
vmscan-use-atomic-long-for-shrinker-batching-fix.patch
mm-avoid-null-pointer-access-in-vm_struct-via-proc-vmallocinfo.patch
thp-mremap-support-and-tlb-optimization-fix.patch
thp-mremap-support-and-tlb-optimization-fix-fix.patch
mm-neaten-warn_alloc_failed-fix.patch
debug-pagealloc-add-support-for-highmem-pages-fix.patch
include-linux-securityh-fix-security_inode_init_security-arg.patch
frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch
hpet-factor-timer-allocate-from-open.patch
printk-add-module-parameter-ignore_loglevel-to-control-ignore_loglevel-fix-fix.patch
fs-nameic-remove-unused-getname_flags.patch
leds-route-kbd-leds-through-the-generic-leds-layer.patch
leds-route-kbd-leds-through-the-generic-leds-layer-fix.patch
lib-crc-add-slice-by-8-algorithm-to-crc32c-fix.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
ipc-introduce-shm_rmid_forced-sysctl-testing.patch
nbd-replace-some-printk-with-dev_warn-and-dev_info-checkpatch-fixes.patch
pps-new-client-driver-using-gpio-fix.patch
scatterlist-new-helper-functions.patch
scatterlist-new-helper-functions-update-fix.patch
memstick-add-support-for-legacy-memorysticks-fix.patch
kexec-remove-kmsg_dump_kexec.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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