Files
omarchy-pkgs/pkgbuilds/linux-omarchy/8201-xe-shrinker-return-freed-page-count.patch
T

133 lines
4.0 KiB
Diff

diff --git c/drivers/gpu/drm/xe/xe_shrinker.c i/drivers/gpu/drm/xe/xe_shrinker.c
--- c/drivers/gpu/drm/xe/xe_shrinker.c
+++ i/drivers/gpu/drm/xe/xe_shrinker.c
@@ -54,13 +54,14 @@ xe_shrinker_mod_pages(struct xe_shrinker *shrinker, long shrinkable, long purgea
write_unlock(&shrinker->lock);
}
-static s64 __xe_shrinker_walk(struct xe_device *xe,
+static int __xe_shrinker_walk(struct xe_device *xe,
struct ttm_operation_ctx *ctx,
const struct xe_bo_shrink_flags flags,
- unsigned long to_scan, unsigned long *scanned)
+ unsigned long to_scan, unsigned long *scanned,
+ unsigned long *freed)
{
unsigned int mem_type;
- s64 freed = 0, lret;
+ s64 lret;
for (mem_type = XE_PL_SYSTEM; mem_type <= XE_PL_TT; ++mem_type) {
struct ttm_resource_manager *man = ttm_manager_type(&xe->ttm, mem_type);
@@ -82,7 +83,7 @@ static s64 __xe_shrinker_walk(struct xe_device *xe,
if (lret < 0)
return lret;
- freed += lret;
+ *freed += lret;
if (*scanned >= to_scan)
break;
}
@@ -90,7 +91,7 @@ static s64 __xe_shrinker_walk(struct xe_device *xe,
xe_assert(xe, !IS_ERR(ttm_bo));
}
- return freed;
+ return 0;
}
/*
@@ -99,40 +100,35 @@ static s64 __xe_shrinker_walk(struct xe_device *xe,
* add writeback. This avoids stalls and explicit writebacks with light or
* moderate memory pressure.
*/
-static s64 xe_shrinker_walk(struct xe_device *xe,
+static int xe_shrinker_walk(struct xe_device *xe,
struct ttm_operation_ctx *ctx,
const struct xe_bo_shrink_flags flags,
- unsigned long to_scan, unsigned long *scanned)
+ unsigned long to_scan, unsigned long *scanned,
+ unsigned long *freed)
{
bool no_wait_gpu = true;
struct xe_bo_shrink_flags save_flags = flags;
- s64 lret, freed;
+ int ret;
swap(no_wait_gpu, ctx->no_wait_gpu);
save_flags.writeback = false;
- lret = __xe_shrinker_walk(xe, ctx, save_flags, to_scan, scanned);
+ ret = __xe_shrinker_walk(xe, ctx, save_flags, to_scan, scanned, freed);
swap(no_wait_gpu, ctx->no_wait_gpu);
- if (lret < 0 || *scanned >= to_scan)
- return lret;
+ if (ret || *scanned >= to_scan)
+ return ret;
- freed = lret;
if (!ctx->no_wait_gpu) {
- lret = __xe_shrinker_walk(xe, ctx, save_flags, to_scan, scanned);
- if (lret < 0)
- return lret;
- freed += lret;
- if (*scanned >= to_scan)
- return freed;
+ ret = __xe_shrinker_walk(xe, ctx, save_flags, to_scan, scanned,
+ freed);
+ if (ret || *scanned >= to_scan)
+ return ret;
}
- if (flags.writeback) {
- lret = __xe_shrinker_walk(xe, ctx, flags, to_scan, scanned);
- if (lret < 0)
- return lret;
- freed += lret;
- }
+ if (flags.writeback)
+ ret = __xe_shrinker_walk(xe, ctx, flags, to_scan, scanned,
+ freed);
- return freed;
+ return ret;
}
static unsigned long
@@ -214,7 +210,6 @@ static unsigned long xe_shrinker_scan(struct shrinker *shrink, struct shrink_con
bool runtime_pm;
bool purgeable;
bool can_backup = !!(sc->gfp_mask & __GFP_FS);
- s64 lret;
nr_to_scan = sc->nr_to_scan;
@@ -225,12 +220,9 @@ static unsigned long xe_shrinker_scan(struct shrinker *shrink, struct shrink_con
/* Might need runtime PM. Try to wake early if it looks like it. */
runtime_pm = xe_shrinker_runtime_pm_get(shrinker, false, nr_to_scan, can_backup);
- if (purgeable && nr_scanned < nr_to_scan) {
- lret = xe_shrinker_walk(shrinker->xe, &ctx, shrink_flags,
- nr_to_scan, &nr_scanned);
- if (lret >= 0)
- freed += lret;
- }
+ if (purgeable && nr_scanned < nr_to_scan)
+ xe_shrinker_walk(shrinker->xe, &ctx, shrink_flags,
+ nr_to_scan, &nr_scanned, &freed);
sc->nr_scanned = nr_scanned;
if (nr_scanned >= nr_to_scan || !can_backup)
@@ -242,10 +234,8 @@ static unsigned long xe_shrinker_scan(struct shrinker *shrink, struct shrink_con
shrink_flags.purge = false;
- lret = xe_shrinker_walk(shrinker->xe, &ctx, shrink_flags,
- nr_to_scan, &nr_scanned);
- if (lret >= 0)
- freed += lret;
+ xe_shrinker_walk(shrinker->xe, &ctx, shrink_flags,
+ nr_to_scan, &nr_scanned, &freed);
sc->nr_scanned = nr_scanned;
out: