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re-enable threading on hibernate compression/decompressio

This commit is contained in:
Justin M. Forbes 2012-03-16 13:16:36 -05:00
parent c91e32221e
commit ea76f538e8
2 changed files with 3 additions and 23 deletions
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17
disable-threading-in-compression-for-hibernate.patch
View File

@ -1,17 +0,0 @@
In attempt to find the cause of some of the hibernate issues we are seeing,
turn off threading for compression.
Signed-off-by: Justin M. Forbes <jforbes@redhat.com>
diff -ruNp a/kernel/power/swap.c b/kernel/power/swap.c
--- a/kernel/power/swap.c 2012-03-02 13:52:27.777485028 -0600
+++ b/kernel/power/swap.c 2012-03-02 14:05:20.168115129 -0600
@@ -401,7 +401,7 @@ static int swap_writer_finish(struct swa
#define LZO_CMP_SIZE (LZO_CMP_PAGES * PAGE_SIZE)
/* Maximum number of threads for compression/decompression. */
-#define LZO_THREADS 3
+#define LZO_THREADS 1
/* Maximum number of pages for read buffering. */
#define LZO_READ_PAGES (MAP_PAGE_ENTRIES * 8)

9
kernel.spec
View File

@ -815,9 +815,6 @@ Patch21240: ACPICA-Fix-regression-in-FADT-revision-checks.patch
#rhbz 728478
Patch21242: sony-laptop-Enable-keyboard-backlight-by-default.patch
# Disable threading in hibernate compression
Patch21243: disable-threading-in-compression-for-hibernate.patch
#rhbz 803809 CVE-2012-1179
Patch21244: mm-thp-fix-pmd_bad-triggering.patch
@ -1564,9 +1561,6 @@ ApplyPatch ACPICA-Fix-regression-in-FADT-revision-checks.patch
#rhbz 728478
ApplyPatch sony-laptop-Enable-keyboard-backlight-by-default.patch
#Disable threading in hibernate compression
ApplyPatch disable-threading-in-compression-for-hibernate.patch
ApplyPatch unhandled-irqs-switch-to-polling.patch
ApplyPatch weird-root-dentry-name-debug.patch
@ -2392,6 +2386,9 @@ fi
# and build.
%changelog
* Fri Mar 16 2012 Justin M. Forbes <jforbes@redhat.com>
- re-enable threading on hibernate compression/decompression
* Fri Mar 16 2012 Josh Boyer <jwboyer@redhat.com>
- Fix irqpoll patch to really only apply for ASM108x machines (rhbz 800520)