* + zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch added to mm-unstable branch
@ 2022-10-24 20:35 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2022-10-24 20:35 UTC (permalink / raw)
To: mm-commits, ngupta, minchan, senozhatsky, akpm
The patch titled
Subject: zsmalloc: break out of loop when found perfect zspage order
has been added to the -mm mm-unstable branch. Its filename is
zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: zsmalloc: break out of loop when found perfect zspage order
Date: Tue, 25 Oct 2022 01:12:12 +0900
If we found zspage configuration that gives us perfect 100% used
percentage (zero wasted space) then there is no point it trying any other
configuration
Link: https://lkml.kernel.org/r/20221024161213.3221725-6-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/zsmalloc.c | 3 +++
1 file changed, 3 insertions(+)
--- a/mm/zsmalloc.c~zsmalloc-break-out-of-loop-when-found-perfect-zspage-order
+++ a/mm/zsmalloc.c
@@ -790,6 +790,9 @@ static int get_pages_per_zspage(struct z
max_usedpc = usedpc;
max_usedpc_order = i;
}
+
+ if (usedpc == 100)
+ break;
}
return max_usedpc_order;
_
Patches currently in -mm which might be from senozhatsky@chromium.org are
zram-preparation-for-multi-zcomp-support.patch
zram-add-recompression-algorithm-sysfs-knob.patch
zram-factor-out-wb-and-non-wb-zram-read-functions.patch
zram-introduce-recompress-sysfs-knob.patch
documentation-add-recompression-documentation.patch
zram-add-recompression-algorithm-choice-to-kconfig.patch
zram-add-recompress-flag-to-read_block_state.patch
zram-clarify-writeback_store-comment.patch
zram-use-is_err_value-to-check-for-zs_malloc-errors.patch
zsmalloc-turn-zspage-order-into-runtime-variable.patch
zsmalloc-zram-pass-zspage-order-to-zs_create_pool.patch
zram-add-pool_page_order-device-attribute.patch
documentation-document-zram-pool_page_order-attribute.patch
zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch
zsmalloc-make-sure-we-select-best-zspage-size.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
* + zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch added to mm-unstable branch
@ 2022-10-27 20:04 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2022-10-27 20:04 UTC (permalink / raw)
To: mm-commits, ngupta, minchan, avromanov, senozhatsky, akpm
The patch titled
Subject: zsmalloc: break out of loop when found perfect zspage order
has been added to the -mm mm-unstable branch. Its filename is
zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: zsmalloc: break out of loop when found perfect zspage order
Date: Thu, 27 Oct 2022 13:26:51 +0900
If we found zspage configuration that gives us perfect 100% used
percentage (zero wasted space) then there is no point it trying any other
configuration
Link: https://lkml.kernel.org/r/20221027042651.234524-10-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Alexey Romanov <avromanov@sberdevices.ru>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
--- a/mm/zsmalloc.c~zsmalloc-break-out-of-loop-when-found-perfect-zspage-order
+++ a/mm/zsmalloc.c
@@ -787,6 +787,9 @@ static int get_pages_per_zspage(u32 clas
max_usedpc = usedpc;
max_usedpc_order = i;
}
+
+ if (usedpc == 100)
+ break;
}
return max_usedpc_order;
_
Patches currently in -mm which might be from senozhatsky@chromium.org are
zram-preparation-for-multi-zcomp-support.patch
zram-add-recompression-algorithm-sysfs-knob.patch
zram-factor-out-wb-and-non-wb-zram-read-functions.patch
zram-introduce-recompress-sysfs-knob.patch
documentation-add-recompression-documentation.patch
zram-add-recompression-algorithm-choice-to-kconfig.patch
zram-add-recompress-flag-to-read_block_state.patch
zram-clarify-writeback_store-comment.patch
zram-use-is_err_value-to-check-for-zs_malloc-errors.patch
zsmalloc-turn-zspage-order-into-runtime-variable.patch
zsmalloc-move-away-from-page-order-defines.patch
zsmalloc-make-huge-class-watermark-zs_pool-member.patch
zram-huge-size-watermark-cannot-be-global.patch
zsmalloc-pass-limit-on-pages-per-zspage-to-zs_create_pool.patch
zram-add-pages_per_pool_page-device-attribute.patch
documentation-document-zram-pages_per_pool_page-attribute.patch
zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
* + zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch added to mm-unstable branch
@ 2022-10-31 22:29 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2022-10-31 22:29 UTC (permalink / raw)
To: mm-commits, ngupta, minchan, avromanov, senozhatsky, akpm
The patch titled
Subject: zsmalloc: break out of loop when found perfect zspage order
has been added to the -mm mm-unstable branch. Its filename is
zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: zsmalloc: break out of loop when found perfect zspage order
Date: Mon, 31 Oct 2022 14:41:08 +0900
If we found zspage configuration that gives us perfect 100% used
percentage (zero wasted space) then there is no point it trying any other
configuration
Link: https://lkml.kernel.org/r/20221031054108.541190-10-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Alexey Romanov <avromanov@sberdevices.ru>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/zsmalloc.c | 3 +++
1 file changed, 3 insertions(+)
--- a/mm/zsmalloc.c~zsmalloc-break-out-of-loop-when-found-perfect-zspage-order
+++ a/mm/zsmalloc.c
@@ -859,6 +859,9 @@ static int get_pages_per_zspage(u32 clas
max_usedpc = usedpc;
max_usedpc_order = i;
}
+
+ if (usedpc == 100)
+ break;
}
return max_usedpc_order;
_
Patches currently in -mm which might be from senozhatsky@chromium.org are
zram-preparation-for-multi-zcomp-support.patch
zram-add-recompression-algorithm-sysfs-knob.patch
zram-factor-out-wb-and-non-wb-zram-read-functions.patch
zram-introduce-recompress-sysfs-knob.patch
documentation-add-recompression-documentation.patch
zram-add-recompression-algorithm-choice-to-kconfig.patch
zram-add-recompress-flag-to-read_block_state.patch
zram-clarify-writeback_store-comment.patch
zram-use-is_err_value-to-check-for-zs_malloc-errors.patch
zsmalloc-turn-zspage-order-into-runtime-variable.patch
zsmalloc-move-away-from-page-order-defines.patch
zsmalloc-make-huge-class-watermark-zs_pool-member.patch
zram-huge-size-watermark-cannot-be-global.patch
zsmalloc-pass-limit-on-pages-per-zspage-to-zs_create_pool.patch
zram-add-pages_per_pool_page-device-attribute.patch
documentation-document-zram-pages_per_pool_page-attribute.patch
zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
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