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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:21:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:21:37 +0000
commit06343b27411344fc542f4f3a643f8441aa35252d (patch)
tree66aa45187c93c350bbdf7e6ae4467a70bf3a8f4c /debian/patches-rt/0075-mm-SLUB-delay-giving-back-empty-slubs-to-IRQ-enabled.patch
parentMerging upstream version 4.19.260. (diff)
downloadlinux-06343b27411344fc542f4f3a643f8441aa35252d.tar.xz
linux-06343b27411344fc542f4f3a643f8441aa35252d.zip
Adding debian version 4.19.260-1.debian/4.19.260-1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches-rt/0075-mm-SLUB-delay-giving-back-empty-slubs-to-IRQ-enabled.patch')
-rw-r--r--debian/patches-rt/0075-mm-SLUB-delay-giving-back-empty-slubs-to-IRQ-enabled.patch16
1 files changed, 6 insertions, 10 deletions
diff --git a/debian/patches-rt/0075-mm-SLUB-delay-giving-back-empty-slubs-to-IRQ-enabled.patch b/debian/patches-rt/0075-mm-SLUB-delay-giving-back-empty-slubs-to-IRQ-enabled.patch
index c62fd4658..0035016fb 100644
--- a/debian/patches-rt/0075-mm-SLUB-delay-giving-back-empty-slubs-to-IRQ-enabled.patch
+++ b/debian/patches-rt/0075-mm-SLUB-delay-giving-back-empty-slubs-to-IRQ-enabled.patch
@@ -1,9 +1,8 @@
-From 77ff019039696fc4bd8962110c689eb3520386b1 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 21 Jun 2018 17:29:19 +0200
-Subject: [PATCH 075/347] mm/SLUB: delay giving back empty slubs to IRQ enabled
+Subject: [PATCH 075/342] mm/SLUB: delay giving back empty slubs to IRQ enabled
regions
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz
+Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=2ea46cd4066413ae217e7307020fa0e4a4cbc223
__free_slab() is invoked with disabled interrupts which increases the
irq-off time while __free_pages() is doing the work.
@@ -18,7 +17,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
1 file changed, 69 insertions(+), 5 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c
-index 0e4670add1e9..a5a086ed4493 100644
+index ef6fc4df3ed5..e9abe4aa5801 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1350,6 +1350,12 @@ static bool freelist_corrupted(struct kmem_cache *s, struct page *page,
@@ -64,7 +63,7 @@ index 0e4670add1e9..a5a086ed4493 100644
} else
__free_slab(s, page);
}
-@@ -2256,14 +2278,21 @@ static void put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
+@@ -2257,14 +2279,21 @@ static void put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
pobjects = oldpage->pobjects;
pages = oldpage->pages;
if (drain && pobjects > s->cpu_partial) {
@@ -86,7 +85,7 @@ index 0e4670add1e9..a5a086ed4493 100644
oldpage = NULL;
pobjects = 0;
pages = 0;
-@@ -2333,7 +2362,22 @@ static bool has_cpu_slab(int cpu, void *info)
+@@ -2332,7 +2361,22 @@ static bool has_cpu_slab(int cpu, void *info)
static void flush_all(struct kmem_cache *s)
{
@@ -109,7 +108,7 @@ index 0e4670add1e9..a5a086ed4493 100644
}
/*
-@@ -2531,8 +2575,10 @@ static inline void *get_freelist(struct kmem_cache *s, struct page *page)
+@@ -2530,8 +2574,10 @@ static inline void *get_freelist(struct kmem_cache *s, struct page *page)
* already disabled (which is the case for bulk allocation).
*/
static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
@@ -218,6 +217,3 @@ index 0e4670add1e9..a5a086ed4493 100644
if (debug_guardpage_minorder())
slub_max_order = 0;
---
-2.36.1
-