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https://src.fedoraproject.org/rpms/grub2.git
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80 lines
2.4 KiB
Diff
80 lines
2.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Patrick Steinhardt <ps@pks.im>
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Date: Thu, 21 Apr 2022 15:24:17 +1000
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Subject: [PATCH] mm: Drop unused unloading of modules on OOM
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In grub_memalign(), there's a commented section which would allow for
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unloading of unneeded modules in case where there is not enough free
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memory available to satisfy a request. Given that this code is never
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compiled in, let's remove it together with grub_dl_unload_unneeded().
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Signed-off-by: Patrick Steinhardt <ps@pks.im>
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Signed-off-by: Daniel Axtens <dja@axtens.net>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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Tested-by: Patrick Steinhardt <ps@pks.im>
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(cherry picked from commit 139fd9b134a01e0b5fe0ebefafa7f48d1ffb6d60)
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---
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grub-core/kern/dl.c | 20 --------------------
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grub-core/kern/mm.c | 8 --------
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include/grub/dl.h | 1 -
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3 files changed, 29 deletions(-)
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diff --git a/grub-core/kern/dl.c b/grub-core/kern/dl.c
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index d5de80186f..ab9101a5ad 100644
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--- a/grub-core/kern/dl.c
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+++ b/grub-core/kern/dl.c
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@@ -998,23 +998,3 @@ grub_dl_unload (grub_dl_t mod)
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grub_free (mod);
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return 1;
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}
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-
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-/* Unload unneeded modules. */
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-void
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-grub_dl_unload_unneeded (void)
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-{
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- /* Because grub_dl_remove modifies the list of modules, this
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- implementation is tricky. */
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- grub_dl_t p = grub_dl_head;
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-
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- while (p)
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- {
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- if (grub_dl_unload (p))
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- {
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- p = grub_dl_head;
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- continue;
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- }
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-
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- p = p->next;
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- }
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-}
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diff --git a/grub-core/kern/mm.c b/grub-core/kern/mm.c
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index 38bfb01df9..1825dc8289 100644
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--- a/grub-core/kern/mm.c
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+++ b/grub-core/kern/mm.c
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@@ -444,14 +444,6 @@ grub_memalign (grub_size_t align, grub_size_t size)
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count++;
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goto again;
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-#if 0
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- case 1:
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- /* Unload unneeded modules. */
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- grub_dl_unload_unneeded ();
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- count++;
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- goto again;
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-#endif
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-
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default:
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break;
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}
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diff --git a/include/grub/dl.h b/include/grub/dl.h
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index 45ac8e339f..6bc2560bf0 100644
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--- a/include/grub/dl.h
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+++ b/include/grub/dl.h
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@@ -206,7 +206,6 @@ grub_dl_t EXPORT_FUNC(grub_dl_load) (const char *name);
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grub_dl_t grub_dl_load_core (void *addr, grub_size_t size);
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grub_dl_t EXPORT_FUNC(grub_dl_load_core_noinit) (void *addr, grub_size_t size);
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int EXPORT_FUNC(grub_dl_unload) (grub_dl_t mod);
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-extern void grub_dl_unload_unneeded (void);
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extern int EXPORT_FUNC(grub_dl_ref) (grub_dl_t mod);
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extern int EXPORT_FUNC(grub_dl_unref) (grub_dl_t mod);
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extern int EXPORT_FUNC(grub_dl_ref_count) (grub_dl_t mod);
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